Cofnodi Dyfyniadau
Dyfyniad APA
Willis, F. R. (1973). World civilizations: An urban perspective. D.C. Heath.
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Dyfyniad Arddull Chicago
Willis, F. Roy. World Civilizations: An Urban Perspective. Massachusetts: D.C. Heath, 1973.
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Dyfyniad MLA
Willis, F. Roy. World Civilizations: An Urban Perspective. D.C. Heath, 1973.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.