Peet, R. The development of radical geography in the United States: Richard Peet. The spaces of postmodernity : readings in human geography.(2002).

Peet, Richard. "The Development of Radical Geography in the United States: Richard Peet." The Spaces of Postmodernity : Readings in Human Geography.(2002) .

Peet, Richard. "The Development of Radical Geography in the United States: Richard Peet." The Spaces of Postmodernity : Readings in Human Geography.(2002), .