Dyfyniad APA
ebrary, Inc, Shepherd, R., & Raats, M. (2006). The psychology of food choice. CABI.
Dyfyniad Arddull Chicago
ebrary, Inc, R. Shepherd, and M. Raats. The Psychology of Food Choice. Wallingford: CABI, 2006.
Dyfyniad MLA
ebrary, Inc, et al. The Psychology of Food Choice. CABI, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.