Tohutoro APA (7th ed.)
Sjoberg, G. (1965). The preindustrial city. Free Press.
Tohutoru Kātū Chicago (17th ed.)
Sjoberg, Gideon. The Preindustrial City. Nueva York, EUA: Free Press, 1965.
Tohutoro MLA (9th ed.)
Sjoberg, Gideon. The Preindustrial City. Free Press, 1965.
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