Hines and others. 2003. Conservation of the dugong (Dugong Dugon) on the eastern coast of the gulf of Thailand. San Francisco:Department of Geography and Human Environmental Studies San Francisco State University;

Hines and others. Conservation of the dugong (Dugong Dugon) on the eastern coast of the gulf of Thailand. San Francisco:Department of Geography and Human Environmental Studies San Francisco State University, 2003. Print.

Hines and others. (2003) Conservation of the dugong (Dugong Dugon) on the eastern coast of the gulf of Thailand. Department of Geography and Human Environmental Studies San Francisco State University:San Francisco.