Campbell, D. M. (1914). Colics and their treatment. American journal of veterinary medicine.
Citace podle Chicago (17th ed.)Campbell, Delwin Morton. Colics and Their Treatment. Chicago: American journal of veterinary medicine, 1914.
Citace podle MLA (8th ed.)Campbell, Delwin Morton. Colics and Their Treatment. American journal of veterinary medicine, 1914.
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