Webster, J. (2011). Management and welfare of farm animals: UFAW farm handbook (5th edition.). Chichester, West Sussex: Wiley-Blacwell.
Citación estilo ChicagoWebster, John. Management and Welfare of Farm Animals: UFAW Farm Handbook. 5th edition. Chichester, West Sussex: Wiley-Blacwell, 2011.
Cita MLAWebster, John. Management and Welfare of Farm Animals: UFAW Farm Handbook. 5th edition. Chichester, West Sussex: Wiley-Blacwell, 2011.
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