Gaya APA

Sitanggang, L, M., Indrawati, Y. (2007). Forex: Virtual Trading, Real Income: Psycho On Trading (I). Yogyakarta: ANDI.

Gaya MLA

Sitanggang, Lucius, M.., Indrawati, Yulika. "Forex: Virtual Trading, Real Income: Psycho On Trading". I Yogyakarta: ANDI, 2007. Text.