Robinette, S., Brand, C., & Lenz, V. (2001). Emotion marketing: The hallmark way of winning customers for life. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Robinette, Scott, Claire Brand, agus Vicki Lenz. Emotion Marketing: The Hallmark Way of Winning Customers for Life. New York: McGraw-Hill, 2001.
Lua MLA (9ú heag.)Robinette, Scott, et al. Emotion Marketing: The Hallmark Way of Winning Customers for Life. McGraw-Hill, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.