APA aipamena

Levinson, H. (1968). The exceptional executive: A psychological conception. Harvard University Press.

Chicago Style aipamena

Levinson, Harry. The Exceptional Executive: A Psychological Conception. Cambridge, Mass: Harvard University Press, 1968.

MLA aipamena

Levinson, Harry. The Exceptional Executive: A Psychological Conception. Harvard University Press, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.