Peet, R. The development of radical geography in the United States: Richard Peet. The spaces of postmodernity : readings in human geography.(2002).
Lua i Stíl Chicago (17ú heag.)Peet, Richard. "The Development of Radical Geography in the United States: Richard Peet." The Spaces of Postmodernity : Readings in Human Geography.(2002) .
Lua MLA (8ú heag.)Peet, Richard. "The Development of Radical Geography in the United States: Richard Peet." The Spaces of Postmodernity : Readings in Human Geography.(2002), .
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