Gaya APA

Sitanggang, L, M., Indrawati, Y. (2007). Forex : Virtual Trading , Real Income Psycho On Trading (cet.1.ed.1). YOGYAKARTA: ANDI.

Gaya MLA

Sitanggang, Lucius, M., Indrawati, Yulika. "Forex : Virtual Trading , Real Income Psycho On Trading". cet.1.ed.1 YOGYAKARTA: ANDI, 2007. Text.