Holtzclaw, E., & Holtzclaw, K. (2013). Laddering: Unlocking the potential of consumer behavior. John Wiley & Sons, Inc..
Cita Chicago (17th ed.)Holtzclaw, Eric, i Kaitlyn Holtzclaw. Laddering: Unlocking the Potential of Consumer Behavior. Hoboken, N.J.: John Wiley & Sons, Inc., 2013.
Cita MLA (9th ed.)Holtzclaw, Eric, i Kaitlyn Holtzclaw. Laddering: Unlocking the Potential of Consumer Behavior. John Wiley & Sons, Inc., 2013.
Atenció: Aquestes cites poden no estar 100% correctes.