APA (7 वां संस्करण) प्रशस्ति पत्र

SWARUP R. (1992). ENVIRONMENTAL HEALTH, EDUCATION & PUBLIC UNDERSTANDING. MITTAL PUBLICATIONS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

SWARUP R. ENVIRONMENTAL HEALTH, EDUCATION & PUBLIC UNDERSTANDING. NEW DELHI: MITTAL PUBLICATIONS, 1992.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

SWARUP R. ENVIRONMENTAL HEALTH, EDUCATION & PUBLIC UNDERSTANDING. MITTAL PUBLICATIONS, 1992.

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