Dyfyniad APA

Pickles , J. (2006). Social implications of geographic information systems. Rawat.

Dyfyniad Arddull Chicago

Pickles , John. Social Implications of Geographic Information Systems. Jaipur: Rawat, 2006.

Dyfyniad MLA

Pickles , John. Social Implications of Geographic Information Systems. Rawat, 2006.

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