APA način citiranja (7. izdanje)

Drucker, P. (2006). Management challenges for the 21st Century. Palgrave Macmillan Punl.

Čikaški stil citiranja (17. izdanje)

Drucker, Peter. Management Challenges for the 21st Century. New York: Palgrave Macmillan Punl, 2006.

MLA način citiranja (9. izdanje)

Drucker, Peter. Management Challenges for the 21st Century. Palgrave Macmillan Punl, 2006.