Gaya APA

Center, E, H., Indonesia, D, P, K, T. (1998). Coastal challenges: a guide to coastal and marine issues . Washingthon: Environmental Health Center.

Gaya MLA

Center, Environmental, Health., Indonesia, Dewan, Pengembangan, Kawasan, Timur. "Coastal challenges: a guide to coastal and marine issues". Washingthon: Environmental Health Center, 1998. Text.