Fisher, P., & Bender, A. E. (1975). The value of food (2d ed.). Oxford University Press.
Dyfyniad Arddull ChicagoFisher, Patty, and Arnold E. Bender. The Value of Food. 2d ed. Oxford [Eng.] ; New York: Oxford University Press, 1975.
Dyfyniad MLAFisher, Patty, and Arnold E. Bender. The Value of Food. 2d ed. Oxford University Press, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.