Gaya APA

Holtzclaw, E, V. (2013). Laddering Unlocking the potential of consumer behavior (Cet 1). America: John wiley & sons, inc.

Gaya MLA

Holtzclaw, Eric, V.. "Laddering Unlocking the potential of consumer behavior". Cet 1 America: John wiley & sons, inc, 2013. Text.