Guy, P. (1995). Agroecosystem analysis and rapid rural appraisal of selected sites in the central Cordillera, Ifugao, Philippines. Environment and Resource Management Project, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos.
Παραπομπή σε μορφή Chicago (17η εκδ.)Guy, Peter. Agroecosystem Analysis and Rapid Rural Appraisal of Selected Sites in the Central Cordillera, Ifugao, Philippines. College, Laguna: Environment and Resource Management Project, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Guy, Peter. Agroecosystem Analysis and Rapid Rural Appraisal of Selected Sites in the Central Cordillera, Ifugao, Philippines. Environment and Resource Management Project, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos, 1995.