Underhill, P. (1999). Why we buy: The science of shopping. Simon & Schuster.
Chicago Edition CitationUnderhill, Paco. Why We Buy: The Science of Shopping. New York: Simon & Schuster, 1999.
Cita MLAUnderhill, Paco. Why We Buy: The Science of Shopping. Simon & Schuster, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.