Isabela State University. Cagayan Valley Programme on Environment and Development. (1992). Forestry for people and nature: Field research and theory on environment and development in the Cagayan Valley, Philippines. Cagayan Valley Programme on Environment and Development, Isabela State University.
Cita Chicago (17th ed.)Isabela State University. Cagayan Valley Programme on Environment and Development. Forestry for People and Nature: Field Research and Theory on Environment and Development in the Cagayan Valley, Philippines. Cabagan, Isabela: Cagayan Valley Programme on Environment and Development, Isabela State University, 1992.
Cita MLA (9th ed.)Isabela State University. Cagayan Valley Programme on Environment and Development. Forestry for People and Nature: Field Research and Theory on Environment and Development in the Cagayan Valley, Philippines. Cagayan Valley Programme on Environment and Development, Isabela State University, 1992.