Gaya APA

Kleinman, G. (1997). Mastering Commodity Futures & Options; A Step by step Guide to Succesful Trading . Pitman Publishing: Pitman Publishing.

Gaya MLA

Kleinman, George. "Mastering Commodity Futures & Options; A Step by step Guide to Succesful Trading". Pitman Publishing: Pitman Publishing, 1997. Text.