Engel, J. F. (1968). Instructions guide for consumer behaviour. Holt Rinehart.
Chicago Edition CitationEngel, James F. Instructions Guide for Consumer Behaviour. New York: Holt Rinehart, 1968.
Cita MLAEngel, James F. Instructions Guide for Consumer Behaviour. Holt Rinehart, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.