Nikiforuk, A. (2010). Tar sands: Dirty oil and the future of a continent (Revised and updated.). GreyStone Books.
Lua i Stíl Chicago (17ú heag.)Nikiforuk, Andrew. Tar Sands: Dirty Oil and the Future of a Continent. Revised and updated. Vancouver: GreyStone Books, 2010.
Lua MLA (9ú heag.)Nikiforuk, Andrew. Tar Sands: Dirty Oil and the Future of a Continent. Revised and updated. GreyStone Books, 2010.
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