APA Style
Sitanggang, L, M., Indrawati, Y. (2007).
Psycho on trading : Forex : Virtual trading, Real income (1st).
Yogyakarta:
ANDI.
MLA Style
Sitanggang, Lucius, M.., Indrawati, Yulika.
"Psycho on trading : Forex : Virtual trading, Real income".
1st
Yogyakarta:
ANDI,
2007.
Text.