Presumptive GOP presidential nominee Donald TrumpDonald TrumpKushner lands book deal, slated for release in 2022 Biden moves to undo Trump trade legacy with EU deal Progressives rave over Harrison's start at DNC MORE on Sunday urged Republican leaders to stop talking about him so much and focus on their own work instead.

"If people, and especially, you know, where people endorse me, Republican leaders, I think that honestly they should go about their business and they should do a wonderful job and work on budgets and get the budgets down and get the military the types of money they need and lots of other things," he said on CBS's "Face The Nation."

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"And they shouldn't be talking so much. They should go out and do their job. Let me do my job."

Trump touted his success in the primaries, saying he won the contests with the "largest vote ever."

"I brought a lot of extra voters, a lot of voters, I guess up 70 percent or close to 70 percent," he said.

"We brought additional people in that wouldn't have been in if I weren't doing this and if I weren't running."

Trump said he's received a lot of support from politicians and the American people.

"Unfortunately, the media just likes to cover, really, a small number of people that maybe have something to say," he said. "I think they should go about their work. Let me run for president. I think I'm going to do very well."

In recent weeks, Republican leaders have expressed concern about some of their party's presumptive nominee's comments. Some Republicans have said they don't plan to support the candidate.

Trump last week said he may have to "do it alone." He also called on Republicans to "get tougher" and urged them to "just please be quiet."

"Just be quiet to the leaders because they have to get tougher; they have to get sharper; they have to get smarter," he said. "We have to have our Republicans either stick together or let me just do it by myself.”