APA aipamena

Peter, L. J. (2007). The Peter Principle. W.W. Norton & Company.

Chicago Style aipamena

Peter, Laurence J. The Peter Principle. New York: W.W. Norton & Company, 2007.

MLA aipamena

Peter, Laurence J. The Peter Principle. W.W. Norton & Company, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.