Schouten, W. G. P. (1986). Rearing conditions and behaviour in pigs.
Cita Chicago Style (17a ed.)Schouten, W. G. P. Rearing Conditions and Behaviour in Pigs. 1986.
Cita MLA (8a ed.)Schouten, W. G. P. Rearing Conditions and Behaviour in Pigs. 1986.
Precaución: Estas citas no son 100% exactas.