Imber, J. (2000). Dictionary of marketing terms (3rd ed.). Hauppauge NY: Barron's Educational Series.
Dyfyniad Arddull ChicagoImber, Jane. Dictionary of Marketing Terms. 3rd ed. Hauppauge NY: Barron's Educational Series, 2000.
Dyfyniad MLAImber, Jane. Dictionary of Marketing Terms. 3rd ed. Hauppauge NY: Barron's Educational Series, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.