Cita APA (7th ed.)

Marn, M. V. (2005). The Price Advatage Workbook (3rd.). Merrill.

Cita Chicago (17th ed.)

Marn, Michael V. The Price Advatage Workbook. 3rd. New Jersey: Merrill, 2005.

Cita MLA (9th ed.)

Marn, Michael V. The Price Advatage Workbook. 3rd. Merrill, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.