Lin, K. L., & Sin, H. C. (1985). Proceedings of the 3rd symposium on our environment, March 27-29, 1984. Faculty of Science, National University of Singapore.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLin, Koh Lip, और Hew Choy Sin. Proceedings of the 3rd Symposium on Our Environment, March 27-29, 1984. Singapore: Faculty of Science, National University of Singapore, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLin, Koh Lip, और Hew Choy Sin. Proceedings of the 3rd Symposium on Our Environment, March 27-29, 1984. Faculty of Science, National University of Singapore, 1985.
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