Tohutoro APA (7th ed.)
Gordis, L. (2009). Epidemiology (4th ed.). Saunders Elsevier.
Tohutoru Kātū Chicago (17th ed.)
Gordis, Leon. Epidemiology. 4th ed. Philadelphia, PA: Saunders Elsevier, 2009.
Tohutoro MLA (9th ed.)
Gordis, Leon. Epidemiology. 4th ed. Saunders Elsevier, 2009.
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