Gaya APA

Sembel, R., Aribowo, P. (2003). If You Want to Be Rich and Happy Maximize Your Strength . Jakarta: Pt Elex Media Komputindo.

Gaya MLA

Sembel, Roy., Aribowo, Prijosaksono,.. "If You Want to Be Rich and Happy Maximize Your Strength". Jakarta: Pt Elex Media Komputindo, 2003. Text.