Não informado. (1967). Feed bag magazine. Central Retail Feed Association.
Chicago-viite (17. p.)Não informado. Feed Bag Magazine. Milwaukee, Wis: Central Retail Feed Association, 1967.
MLA-viite (8. p.)Não informado. Feed Bag Magazine. Central Retail Feed Association, 1967.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.