Park, K. (2009). Park's textbook of preventive and social medicine (20th ed.). Banarsidas Bhanot.
Chicago-viite (17. p.)Park, K. Park's Textbook of Preventive and Social Medicine. 20th ed. Jabalpur: Banarsidas Bhanot, 2009.
MLA-viite (9. p.)Park, K. Park's Textbook of Preventive and Social Medicine. 20th ed. Banarsidas Bhanot, 2009.
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