Pempengco, A. M. (1989). Simple productivity indices for lake ecosystems: The case of Sampaloc lake. University of the Philippines at Los Baños.
Chicagoスタイル(17版)引用形式Pempengco, Amalia Manrique. Simple Productivity Indices for Lake Ecosystems: The Case of Sampaloc Lake. [College, Laguna]: University of the Philippines at Los Baños, 1989.
MLA(9版)引用形式Pempengco, Amalia Manrique. Simple Productivity Indices for Lake Ecosystems: The Case of Sampaloc Lake. University of the Philippines at Los Baños, 1989.
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