GUPTA, M. (2003). Textbook of preventive and social medicine. Jaypee Brothers Publishers.
Cita Chicago (17th ed.)GUPTA, MC. Textbook of Preventive and Social Medicine. Jaypee Brothers Publishers, 2003.
Cita MLA (9th ed.)GUPTA, MC. Textbook of Preventive and Social Medicine. Jaypee Brothers Publishers, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.