Singh, I. P. a. T. S. e., & Singh, I. P. a. S. (1980). Man and His Environment. Concept Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Indera P. and Tiwari S.C. eds, और Indera P. and;Tiwari S.C Singh. Man and His Environment. Concept Pubs, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, Indera P. and Tiwari S.C. eds, और Indera P. and;Tiwari S.C Singh. Man and His Environment. Concept Pubs, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.