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Lua i Stíl Chicago (17ú heag.)Bhattacharya, Sanjoy. Expunging Variola: The Control and Eradication of Smallpox in India, 1947-1977. New Delhi: Orient Longman, 2006.
Lua MLA (8ú heag.)Bhattacharya, Sanjoy. Expunging Variola: The Control and Eradication of Smallpox in India, 1947-1977. Orient Longman, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.