Dugan, M. (1996). Wombats can't Fly. Random House Australia.
Lua i Stíl Chicago (17ú heag.)Dugan, Michael. Wombats Can't Fly. Australia: Random House Australia, 1996.
Lua MLA (8ú heag.)Dugan, Michael. Wombats Can't Fly. Random House Australia, 1996.
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