APA način citiranja (7. izdanje)

PORTER KEITH. (2006). LEADERSHIP AND MANAGEMENT FOR H R PROFESSIONALS. ELSEVIER.

Čikaški stil citiranja (17. izdanje)

PORTER KEITH. LEADERSHIP AND MANAGEMENT FOR H R PROFESSIONALS. AMSTERDAM: ELSEVIER, 2006.

MLA način citiranja (9. izdanje)

PORTER KEITH. LEADERSHIP AND MANAGEMENT FOR H R PROFESSIONALS. ELSEVIER, 2006.