National Research Council (U.S.). Sustainable Agriculture and Natural Resource Management Collaborative Research Support Program, Coxhead, I. A., & Buenavista, G. (2001). Seeking sustainability: Challenges of agricultural development and environmental management in a Philippine watershed. Philippine Council for Agriculture, Forestry and Natural Resources Research Development.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Sustainable Agriculture and Natural Resource Management Collaborative Research Support Program, Ian A. Coxhead, och Gladys Buenavista. Seeking Sustainability: Challenges of Agricultural Development and Environmental Management in a Philippine Watershed. Los Banos, Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research Development, 2001.
MLA-referens (9:e uppl.)National Research Council (U.S.). Sustainable Agriculture and Natural Resource Management Collaborative Research Support Program, et al. Seeking Sustainability: Challenges of Agricultural Development and Environmental Management in a Philippine Watershed. Philippine Council for Agriculture, Forestry and Natural Resources Research Development, 2001.