Pempengco, A. M. (1989). Simple productivity indices for lake ecosystems: The case of Sampaloc lake. University of the Philippines at Los Baños.
Chicago Style (17th ed.) CitationPempengco, Amalia Manrique. Simple Productivity Indices for Lake Ecosystems: The Case of Sampaloc Lake. [College, Laguna]: University of the Philippines at Los Baños, 1989.
MLA引文Pempengco, Amalia Manrique. Simple Productivity Indices for Lake Ecosystems: The Case of Sampaloc Lake. University of the Philippines at Los Baños, 1989.
警告:這些引文格式不一定是100%准確.