Lee, H. K. (1991). Fourth Symposium on our Environment: Proceedings of the Fourth Symposium on Our Environment, held in Singapore, May 21-23, 1990. Springer Netherlands : Imprint : Springer.
Chicago Style (17th ed.) CitationLee, Hian Kee. Fourth Symposium on Our Environment: Proceedings of the Fourth Symposium on Our Environment, Held in Singapore, May 21-23, 1990. Dordrecht: Springer Netherlands : Imprint : Springer, 1991.
MLA (9th ed.) CitationLee, Hian Kee. Fourth Symposium on Our Environment: Proceedings of the Fourth Symposium on Our Environment, Held in Singapore, May 21-23, 1990. Springer Netherlands : Imprint : Springer, 1991.
Warning: These citations may not always be 100% accurate.