APA (7. basım) Alıntı

Drucker, P. F. (2017). The Theory of the Business. Harvard Business Review Press.

Chicago Style (17. basım) Atıf

Drucker, Peter F. The Theory of the Business. Boston, Massachesutts: Harvard Business Review Press, 2017.

MLA (9th ed.) Atıf

Drucker, Peter F. The Theory of the Business. Harvard Business Review Press, 2017.