Cofnodi Dyfyniadau
Dyfyniad APA
ebrary, Inc, & Becker, P. C. (2002). A Statistical portrait of the United States: Social conditions and trends (2nd ed.). Bernan Press.
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Dyfyniad Arddull Chicago
ebrary, Inc, and Patricia C. Becker. A Statistical Portrait of the United States: Social Conditions and Trends. 2nd ed. Lanham, Md.: Bernan Press, 2002.
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Dyfyniad MLA
ebrary, Inc, and Patricia C. Becker. A Statistical Portrait of the United States: Social Conditions and Trends. 2nd ed. Bernan Press, 2002.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.