Cranstone, B. (1987). Why are pigs (and some other animals) not milked? Anthropological Society of Oxford.
Citace podle Chicago (17th ed.)Cranstone, BAL. Why Are Pigs (and Some Other Animals) Not Milked? Anthropological Society of Oxford, 1987.
Citace podle MLA (9th ed.)Cranstone, BAL. Why Are Pigs (and Some Other Animals) Not Milked? Anthropological Society of Oxford, 1987.
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