Tohutoro APA (7th ed.)
Wendel, H. (2004). Vital statistics of the United States. Bernan Associates.
Tohutoru Kātū Chicago (17th ed.)
Wendel, Helmut. Vital Statistics of the United States. Lanham, MD: Bernan Associates, 2004.
Tohutoro MLA (9th ed.)
Wendel, Helmut. Vital Statistics of the United States. Bernan Associates, 2004.
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