Não informado. (1947). School food service journal. American School Food Service Association.
Style de citation Chicago (17e éd.)Não informado. School Food Service Journal. Alexandria, Va: American School Food Service Association, 1947.
Style de citation MLA (8e éd.)Não informado. School Food Service Journal. American School Food Service Association, 1947.
Attention : ces citations peuvent ne pas être correctes à 100%.