Krym, V. F., & MacDonald, R. D. (2004). Global efforts to eradicate polio. Canadian Medical Association.
शिकागो स्टाइल उद्धरणKrym, Valerie F., और Russell D. MacDonald. Global Efforts to Eradicate Polio. Canadian Medical Association, 2004.
एमएलए उद्धरणKrym, Valerie F., और Russell D. MacDonald. Global Efforts to Eradicate Polio. Canadian Medical Association, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.