Gaya APA

OToole, J., Natalina, N. (2007). Leadership A To Z: A Guide For The Appropriately Ambitious: Panduan Berambisi Secara Positif (Cet. 7). Jakarta: Erlangga.

Gaya MLA

OToole, James., Natalina, Neneng. "Leadership A To Z: A Guide For The Appropriately Ambitious: Panduan Berambisi Secara Positif". Cet. 7 Jakarta: Erlangga, 2007. Text.