Roy, R. N. S. (2013). MAHAJAN & Gupta textbook of preventive and social medicine. Jaypee Brothers Medicals Publishers.
Chicago-viite (17. p.)Roy, Rabindra Nath Saha. MAHAJAN & Gupta Textbook of Preventive and Social Medicine. Jaypee Brothers Medicals Publishers, 2013.
MLA-viite (9. p.)Roy, Rabindra Nath Saha. MAHAJAN & Gupta Textbook of Preventive and Social Medicine. Jaypee Brothers Medicals Publishers, 2013.
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