Cita APA (7th ed.)

Drucker, P. F. (2009). Management Cases (Revise.). Collins Business.

Cita Chicago (17th ed.)

Drucker, Peter F. Management Cases. Revise. New York: Collins Business, 2009.

Cita MLA (9th ed.)

Drucker, Peter F. Management Cases. Revise. Collins Business, 2009.