APA استشهاد

Drucker, P. F. (1994). Post capitalist society. Harpwr-Collins.

استشهاد بنمط شيكاغو

Drucker, Peter F. Post Capitalist Society. New York: Harpwr-Collins, 1994.

MLA استشهاد

Drucker, Peter F. Post Capitalist Society. Harpwr-Collins, 1994.