Simmons, P., & Ekarius, C. (2009). Storey's guide to raising sheep: Breeding, care, facilities (4th ed.). Storey Pub..
Cita Chicago Style (17a ed.)Simmons, Paula, y Carol Ekarius. Storey's Guide to Raising Sheep: Breeding, Care, Facilities. 4th ed. North Adams, MA: Storey Pub., 2009.
Cita MLA (8a ed.)Simmons, Paula, y Carol Ekarius. Storey's Guide to Raising Sheep: Breeding, Care, Facilities. 4th ed. Storey Pub., 2009.
Precaución: Estas citas no son 100% exactas.