Ehrenberg, A., & Pyatt, F. (1971). Consumer behaviour: Selected readings. Penguin.
Dyfyniad Arddull ChicagoEhrenberg, A.S.C, and F.G Pyatt. Consumer Behaviour: Selected Readings. England: Penguin, 1971.
Dyfyniad MLAEhrenberg, A.S.C, and F.G Pyatt. Consumer Behaviour: Selected Readings. Penguin, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.