Etgen, W. M., & Reaves, P. M. (1978). Dairy cattle feeding and management (6th ed.). Wiley.
Citación estilo ChicagoEtgen, William M., and Paul M. Reaves. Dairy Cattle Feeding and Management. 6th ed. New York: Wiley, 1978.
Cita MLAEtgen, William M., and Paul M. Reaves. Dairy Cattle Feeding and Management. 6th ed. Wiley, 1978.
Warning: These citations may not always be 100% accurate.