Não informado. (2004). International goat and sheep research. Dairy Goat Journal Publishers.
Chicago-referens (17:e uppl.)Não informado. International Goat and Sheep Research. Scottsdale, Ariz: Dairy Goat Journal Publishers, 2004.
MLA-referens (8:e uppl.)Não informado. International Goat and Sheep Research. Dairy Goat Journal Publishers, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.