Bhattacharya, S. (2006). Expunging variola: The control and eradication of smallpox in India, 1947-1977. Orient Longman.
Chicago (17e ed.) BronvermeldingBhattacharya, Sanjoy. Expunging Variola: The Control and Eradication of Smallpox in India, 1947-1977. New Delhi: Orient Longman, 2006.
MLA (8e ed.) BronvermeldingBhattacharya, Sanjoy. Expunging Variola: The Control and Eradication of Smallpox in India, 1947-1977. Orient Longman, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.