Gaya APA

Cummings, L, E., Kotschevar, L, H. (1989). Nutrition management for foodservices . New York: Delmar Publishers.

Gaya MLA

Cummings, Leslie, E.., Kotschevar, Lendal, H.. "Nutrition management for foodservices". New York: Delmar Publishers, 1989. BUKU.