APA-referens

Peter F Drucker. (2002). Management Challenges for the 21st Century. Butterworth-Heinemann.

Chicago-stil citat

Peter F Drucker. Management Challenges for the 21st Century. Butterworth-Heinemann, 2002.

MLA-referens

Peter F Drucker. Management Challenges for the 21st Century. Butterworth-Heinemann, 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.