Gaya APA

Pfeffer, J. (2008). What Were They Thinking? : 28 Kiat Meningkatkan Kinerja Bisnis (1). JAKARTA: PT. Elex Media Komputindo.

Gaya MLA

Pfeffer, Jeffrey. "What Were They Thinking? : 28 Kiat Meningkatkan Kinerja Bisnis". 1 JAKARTA: PT. Elex Media Komputindo, 2008. Text.