APA-referens (7:e uppl.)

Não informado. (2004). Feed industry. Central Retail Feed Association.

Chicago-referens (17:e uppl.)

Não informado. Feed Industry. Milwaukee, Wis: Central Retail Feed Association, 2004.

MLA-referens (8:e uppl.)

Não informado. Feed Industry. Central Retail Feed Association, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.