Dyfyniad APA

Underhill, P. (2000). Why We Buy. Simon & Schuster Paperbacks.

Dyfyniad Arddull Chicago

Underhill, Paco. Why We Buy. New York: Simon & Schuster Paperbacks, 2000.

Dyfyniad MLA

Underhill, Paco. Why We Buy. Simon & Schuster Paperbacks, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.