APA (7. basım) Alıntı

Drucker P. (2010). The Changing World of the Executive. Harvard Bus.Sch Pub.

Chicago Style (17. basım) Atıf

Drucker P. The Changing World of the Executive. Boston: Harvard Bus.Sch Pub, 2010.

MLA (9th ed.) Atıf

Drucker P. The Changing World of the Executive. Harvard Bus.Sch Pub, 2010.