Symposium on Our Environment Singapore & Nanyang University. Institute of Natural Sciences. (1977). Proceedings of Symposium on Our Environment, October 28-30, 1976. Institute of Natural Sciences, College of Graduate Studies, Nanyang University.
Chicago-viite (17. p.)Symposium on Our Environment Singapore ja Nanyang University. Institute of Natural Sciences. Proceedings of Symposium on Our Environment, October 28-30, 1976. [Singapore]: Institute of Natural Sciences, College of Graduate Studies, Nanyang University, 1977.
MLA-viite (8. p.)Symposium on Our Environment Singapore ja Nanyang University. Institute of Natural Sciences. Proceedings of Symposium on Our Environment, October 28-30, 1976. Institute of Natural Sciences, College of Graduate Studies, Nanyang University, 1977.