Holtzclaw, E., & Holtzclaw, K. (2013). Laddering: Unlocking the potential of consumer behavior. John Wiley & Sons, Inc..
Dyfyniad Arddull ChicagoHoltzclaw, Eric, and Kaitlyn Holtzclaw. Laddering: Unlocking the Potential of Consumer Behavior. Hoboken, N.J.: John Wiley & Sons, Inc., 2013.
Dyfyniad MLAHoltzclaw, Eric, and Kaitlyn Holtzclaw. Laddering: Unlocking the Potential of Consumer Behavior. John Wiley & Sons, Inc., 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.