Gaya APA
Ferlianto...et.all, L, R.
(2008).
Profit Commodity in Future and Option
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Ferlianto...et.all, Lie, Ricky.
"Profit Commodity in Future and Option".
Jakarta:
Elex Media Komputindo,
2008.
Text.