Gaya APA

O'toole, J., Natalina, N. (2003). Leadership A to Z a Guide for the Appropriately Ambitious : Panduan Berambisi Secara Positif (cet. 1). JAKARTA: ERLANGGA.

Gaya MLA

O'toole, James., Natalina, Neneng. "Leadership A to Z a Guide for the Appropriately Ambitious : Panduan Berambisi Secara Positif". cet. 1 JAKARTA: ERLANGGA, 2003. Text.