Siegel, F. F., & Frederick F. Siegel; Harry Siegel. (2008). Annual Editions: Urban Society. Dubuque, IA: McGraw-Hill/Dushkin.
Trích dẫn kiểu ChicagoSiegel, Frederick F., và Frederick F. Siegel; Harry Siegel. Annual Editions: Urban Society. Dubuque, IA: McGraw-Hill/Dushkin, 2008.
Deismireacht MLASiegel, Frederick F., và Frederick F. Siegel; Harry Siegel. Annual Editions: Urban Society. Dubuque, IA: McGraw-Hill/Dushkin, 2008.
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