APA aipamena

Drucker, P. F. (1967). Managing for results. London: Pan Books.

Chicago Style aipamena

Drucker, Peter Ferdinand. Managing for Results. London: Pan Books, 1967.

MLA aipamena

Drucker, Peter Ferdinand. Managing for Results. London: Pan Books, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.