Gaya APA

Sitanggang, L, M., Indrawati, Y. (2007). Forex : virtual trading, real income : psycho on trading (Ed.1). Yogyakarta: Andi.

Gaya MLA

Sitanggang, Lucius, M.., Indrawati, Yulika. "Forex : virtual trading, real income : psycho on trading". Ed.1 Yogyakarta: Andi, 2007. Text.