West, B. B., & Wood, L. (1955). Food service in institutions (3rd ed.). Wiley.
Dyfyniad Arddull ChicagoWest, Bessie Brooks, and Levelle Wood. Food Service in Institutions. 3rd ed. N.Y: Wiley, 1955.
Dyfyniad MLAWest, Bessie Brooks, and Levelle Wood. Food Service in Institutions. 3rd ed. Wiley, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.