Alcantara, A. J., & Donald, R. G. (1996). Management of livestock waste in the Laguna lake watershed, Philippines. ERMP, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos.
Chicago-referens (17:e uppl.)Alcantara, Antonio J., och Richard G. Donald. Management of Livestock Waste in the Laguna Lake Watershed, Philippines. College, Laguna: ERMP, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos, 1996.
MLA-referens (9:e uppl.)Alcantara, Antonio J., och Richard G. Donald. Management of Livestock Waste in the Laguna Lake Watershed, Philippines. ERMP, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos, 1996.