Bernan Press, ebrary, Inc, Wendel, H., & Wendel, C. S. (2006). Vital statistics of the United States: Births, life expectancy, deaths and selected health data (2nd ed.). Bernan Press.
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Cita Chicago (17th ed.)
Bernan Press, Inc ebrary, Helmut Wendel, i Christopher S. Wendel. Vital Statistics of the United States: Births, Life Expectancy, Deaths and Selected Health Data. 2nd ed. Lanham, MD: Bernan Press, 2006.
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Cita MLA (9th ed.)
Bernan Press, et al. Vital Statistics of the United States: Births, Life Expectancy, Deaths and Selected Health Data. 2nd ed. Bernan Press, 2006.
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Atenció: Aquestes cites poden no estar 100% correctes.