Preston, A. (1996). Dry sow stalls — an animal welfare issue: A reply.
Citação norma ChicagoPreston, Allan. Dry Sow Stalls — an Animal Welfare Issue: A Reply. 1996.
MLA CitationPreston, Allan. Dry Sow Stalls — an Animal Welfare Issue: A Reply. 1996.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.