Não informado. (1969). Tropical animal health and production. Scottish Academic Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Tropical Animal Health and Production. Edinburgh, Inglaterra: Scottish Academic Press, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Tropical Animal Health and Production. Scottish Academic Press, 1969.
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