Buhi Agroecosystem Analysis Workshop (1985 : Naga City) & Sajise, P. E. (1985). The agroecosystems of Buhi: Problems and opportunities. Program on Environmental Science and Management, University of the Philippines at Los Banos College and Bicol River Basin Development Program.
Chicago-viite (17. p.)Buhi Agroecosystem Analysis Workshop (1985 : Naga City) ja Percy E. Sajise. The Agroecosystems of Buhi: Problems and Opportunities. Los Banos, Laguna: Program on Environmental Science and Management, University of the Philippines at Los Banos College and Bicol River Basin Development Program, 1985.
MLA-viite (9. p.)Buhi Agroecosystem Analysis Workshop (1985 : Naga City) ja Percy E. Sajise. The Agroecosystems of Buhi: Problems and Opportunities. Program on Environmental Science and Management, University of the Philippines at Los Banos College and Bicol River Basin Development Program, 1985.