Cita APA (7th ed.)
Robinette, S., Brand, C., & Lenz, V. Emotion Marketing: The Hallmark Way of Winning Customers for Life. McGraw-Hill.
Cita Chicago (17th ed.)
Robinette, Scott, Claire Brand, i Vicki Lenz. Emotion Marketing: The Hallmark Way of Winning Customers for Life. Nueva York, EUA: McGraw-Hill.
Cita MLA (9th ed.)
Robinette, Scott, et al. Emotion Marketing: The Hallmark Way of Winning Customers for Life. McGraw-Hill.
Atenció: Aquestes cites poden no estar 100% correctes.