APA (7 वां संस्करण) प्रशस्ति पत्र

Snow, J. Cholera and the Water Supply in the South Districts of London in 1854.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Snow, John. Cholera and the Water Supply in the South Districts of London in 1854.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Snow, John. Cholera and the Water Supply in the South Districts of London in 1854.

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