APA-referens (7:e uppl.)

Drucker, P. F. (1980). Managing in turbulent times. Harper & Row; Butterworth-Heinemann.

Chicago-referens (17:e uppl.)

Drucker, Peter F. Managing in Turbulent Times. New York ; Oxford: Harper & Row; Butterworth-Heinemann, 1980.

MLA-referens (8:e uppl.)

Drucker, Peter F. Managing in Turbulent Times. Harper & Row; Butterworth-Heinemann, 1980.