Restificar, S. D. F. (2004). Developing a framework for a sustainable use of tropical karst landscape: The case of Puerto Princesa Subterranean River National Park, Philippines. University of Wisconsin.
Chicago Style (17th ed.) CitationRestificar, Sonata Dulce Figueroa. Developing a Framework for a Sustainable Use of Tropical Karst Landscape: The Case of Puerto Princesa Subterranean River National Park, Philippines. Milwaukee, Wisconsin: University of Wisconsin, 2004.
MLA引文Restificar, Sonata Dulce Figueroa. Developing a Framework for a Sustainable Use of Tropical Karst Landscape: The Case of Puerto Princesa Subterranean River National Park, Philippines. University of Wisconsin, 2004.
警告:这些引文格式不一定是100%准确.