Gollop, B. (2001). Best of essentials: The Bear. Gmünder.
Lua i Stíl Chicago (17ú heag.)Gollop, Barry. Best of Essentials: The Bear. Berlin: Gmünder, 2001.
Lua MLA (8ú heag.)Gollop, Barry. Best of Essentials: The Bear. Gmünder, 2001.
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