APA (7e ed.) Bronvermelding

Não informado. (1947). School food service journal. American School Food Service Association.

Chicago (17e ed.) Bronvermelding

Não informado. School Food Service Journal. Alexandria, Va: American School Food Service Association, 1947.

MLA (8e ed.) Bronvermelding

Não informado. School Food Service Journal. American School Food Service Association, 1947.

Let op: Deze citaties zijn niet altijd 100% accuraat.