Cita APA (7th ed.)

Pempengco, A. M. (1989). Simple productivity indices for lake ecosystems: The case of Sampaloc Lake. University of the Philippines at Los Banos.

Cita Chicago (17th ed.)

Pempengco, Amalia Manrique. Simple Productivity Indices for Lake Ecosystems: The Case of Sampaloc Lake. [Laguna]: University of the Philippines at Los Banos, 1989.

Cita MLA (9th ed.)

Pempengco, Amalia Manrique. Simple Productivity Indices for Lake Ecosystems: The Case of Sampaloc Lake. University of the Philippines at Los Banos, 1989.