Teutsch, S. M., & Churchill, R. E. (2000). Principles and practice of public health surveillance (2nd ed.). Oxford University Press.
शिकागो स्टाइल उद्धरणTeutsch, Steven M., और R. Elliott Churchill. Principles and Practice of Public Health Surveillance. 2nd ed. Oxford ; New York: Oxford University Press, 2000.
एमएलए उद्धरणTeutsch, Steven M., और R. Elliott Churchill. Principles and Practice of Public Health Surveillance. 2nd ed. Oxford University Press, 2000.
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