APA-referens (7:e uppl.)

Drucker, P. F. (1995). Managing in a time of great change. Butterworth-Heinemann.

Chicago-referens (17:e uppl.)

Drucker, Peter Ferdinand. Managing in a Time of Great Change. Oxford: Butterworth-Heinemann, 1995.

MLA-referens (9:e uppl.)

Drucker, Peter Ferdinand. Managing in a Time of Great Change. Butterworth-Heinemann, 1995.