APA (7. basım) Alıntı

Drucker, P. (1989). The new realities. Mandorin.

Chicago Style (17. basım) Atıf

Drucker, Peter. The New Realities. London: Mandorin, 1989.

MLA (9th ed.) Atıf

Drucker, Peter. The New Realities. Mandorin, 1989.