J Englebert Duhphy, T L Mason, & Thomas W Bostsford. (1975). A World dictionary of livestock breeds types and varities (4th.). Philadelphia.
استشهاد بنمط شيكاغوJ Englebert Duhphy, T L Mason, و Thomas W Bostsford. A World Dictionary of Livestock Breeds Types and Varities. 4th. Philadelphia, 1975.
MLA استشهادJ Englebert Duhphy, et al. A World Dictionary of Livestock Breeds Types and Varities. 4th. Philadelphia, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.