Não informado. (1947). School food service journal. American School Food Service Association.
Chicagoスタイル(17版)引用形式Não informado. School Food Service Journal. Alexandria, Va: American School Food Service Association, 1947.
MLA(8版)引用形式Não informado. School Food Service Journal. American School Food Service Association, 1947.
警告: この引用は必ずしも正確ではありません.