Park, K. (2009). Park's textbook of preventive and social medicine (20th.). M/s Banarsidas Bhanot.
Chicago-viite (17. p.)Park, K. Park's Textbook of Preventive and Social Medicine. 20th. India: M/s Banarsidas Bhanot, 2009.
MLA-viite (8. p.)Park, K. Park's Textbook of Preventive and Social Medicine. 20th. M/s Banarsidas Bhanot, 2009.
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