Cita APA (7th ed.)
Ulanoff, S. (1985). Handbook of Sales Promotion.
Cita Chicago (17th ed.)
Ulanoff, Stanley. Handbook of Sales Promotion. 1985.
Cita MLA (9th ed.)
Ulanoff, Stanley. Handbook of Sales Promotion. 1985.
Atenció: Aquestes cites poden no estar 100% correctes.