J Englebert Duhphy, T L Mason, & Thomas W Bostsford. (1975). A World dictionary of livestock breeds types and varities (4th.). Philadelphia.
Chicago Edition CitationJ Englebert Duhphy, T L Mason, and Thomas W Bostsford. A World Dictionary of Livestock Breeds Types and Varities. 4th. Philadelphia, 1975.
MLA Edition CitationJ Englebert Duhphy, et al. A World Dictionary of Livestock Breeds Types and Varities. 4th. Philadelphia, 1975.
Warning: These citations may not always be 100% accurate.