Simmons, P., & Ekarius, C. (2009). Storey's guide to raising sheep: Breeding, care, facilities (4th ed.). Storey Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimmons, Paula, और Carol Ekarius. Storey's Guide to Raising Sheep: Breeding, Care, Facilities. 4th ed. North Adams, MA: Storey Pub., 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimmons, Paula, और Carol Ekarius. Storey's Guide to Raising Sheep: Breeding, Care, Facilities. 4th ed. Storey Pub., 2009.
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