Não informado. (1910). American hereford journal. American Hereford Association.
Chicago-viite (17. p.)Não informado. American Hereford Journal. Kansas City, Kan: American Hereford Association, 1910.
MLA-viite (8. p.)Não informado. American Hereford Journal. American Hereford Association, 1910.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.