Cita APA (7a ed.)

GEMAN HELYETTE. (2005). COMMODITIES AND COMMODITY DERIVATIVES. JOHN WILEY & SONS.

Cita Chicago Style (17a ed.)

GEMAN HELYETTE. COMMODITIES AND COMMODITY DERIVATIVES. YARMOTH: JOHN WILEY & SONS, 2005.

Cita MLA (9a ed.)

GEMAN HELYETTE. COMMODITIES AND COMMODITY DERIVATIVES. JOHN WILEY & SONS, 2005.