Não informado. (1947). School food service journal. American School Food Service Association.
Chicago-viite (17. p.)Não informado. School Food Service Journal. Alexandria, Va: American School Food Service Association, 1947.
MLA-viite (8. p.)Não informado. School Food Service Journal. American School Food Service Association, 1947.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.