Sien, C. L. (1988). The Coastal environmental profile of Singapore. Makati, Metro Manila, Philippines: International Center for Living Aquatic Resources Management on behalf of the Association of Southeast Asian Nations/United States Coastal Resources Management Project.
Čikaški stil citiranjaSien, Chia Lin. The Coastal Environmental Profile of Singapore. Makati, Metro Manila, Philippines: International Center for Living Aquatic Resources Management on behalf of the Association of Southeast Asian Nations/United States Coastal Resources Management Project, 1988.
MLA način citiranjaSien, Chia Lin. The Coastal Environmental Profile of Singapore. Makati, Metro Manila, Philippines: International Center for Living Aquatic Resources Management on behalf of the Association of Southeast Asian Nations/United States Coastal Resources Management Project, 1988.