Warrell, D. (1979). Bites and stings by venomous animals in Britain.
Lua i Stíl Chicago (17ú heag.)Warrell, D. Bites and Stings by Venomous Animals in Britain. 1979.
Lua MLA (9ú heag.)Warrell, D. Bites and Stings by Venomous Animals in Britain. 1979.
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