Lua APA (7ú heag.)

Não informado. (1959). Advances in small animal practice. British Small Animal Veterinary Association.

Lua i Stíl Chicago (17ú heag.)

Não informado. Advances in Small Animal Practice. Oxford, Inglaterra: British Small Animal Veterinary Association, 1959.

Lua MLA (8ú heag.)

Não informado. Advances in Small Animal Practice. British Small Animal Veterinary Association, 1959.

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