Gaya APA

Clason, G, S., Widodo, M, P. (2010). The Richest Man in Babylon . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Clason, George, S.., Widodo, Marcus, P.. "The Richest Man in Babylon". Jakarta: Gramedia Pustaka Utama, 2010. Text.