Deismireacht APA

Peter, L. J. (1969). The Peter principle. U.S.A: William Morrow.

Trích dẫn kiểu Chicago

Peter, Laurence J. The Peter Principle. U.S.A: William Morrow, 1969.

Deismireacht MLA

Peter, Laurence J. The Peter Principle. U.S.A: William Morrow, 1969.

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