APA (7. basım) Alıntı

Drucker, P. F. (1995). Managing in a time of great change. Truman Alley Books.

Chicago Style (17. basım) Atıf

Drucker, Peter Ferdinand. Managing in a Time of Great Change. New York: Truman Alley Books, 1995.

MLA (9th ed.) Atıf

Drucker, Peter Ferdinand. Managing in a Time of Great Change. Truman Alley Books, 1995.