Cita APA (7th ed.)

WARD ROBERT W. (2004). OPTIONS AND OPTIONS TRADING. MCGRAW-HILL.

Cita Chicago (17th ed.)

WARD ROBERT W. OPTIONS AND OPTIONS TRADING. NEW YORK: MCGRAW-HILL, 2004.

Cita MLA (9th ed.)

WARD ROBERT W. OPTIONS AND OPTIONS TRADING. MCGRAW-HILL, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.