Gaya APA

Achua, C, F., Lussier, R, N. (2010). Effective Leadership fourth edition (fourth edition). Australia: South-Western Cengage Learning.

Gaya MLA

Achua, Christoher, F.., Lussier, Robert, N.. "Effective Leadership fourth edition". fourth edition Australia: South-Western Cengage Learning, 2010. MM.