APA-referens

George Mathen. (1991). Mrugasamrakshana thatvangal: Principles of animal husbandry. State institute of languages.

Chicago-stil citat

George Mathen. Mrugasamrakshana Thatvangal: Principles of Animal Husbandry. Thiruvananthapuram: State institute of languages, 1991.

MLA-referens

George Mathen. Mrugasamrakshana Thatvangal: Principles of Animal Husbandry. State institute of languages, 1991.

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