Não informado. (1947). School food service journal. American School Food Service Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. School Food Service Journal. Alexandria, Va: American School Food Service Association, 1947.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. School Food Service Journal. American School Food Service Association, 1947.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.