(1992). Forestry for people and nature: Field research and theory on enviroment development in the Cagayan Valley, Philippines. Centre for Enviromental Science.
Cita Chicago (17th ed.)Forestry for People and Nature: Field Research and Theory on Enviroment Development in the Cagayan Valley, Philippines. Netherlands: Centre for Enviromental Science, 1992.
Cita MLA (9th ed.)Forestry for People and Nature: Field Research and Theory on Enviroment Development in the Cagayan Valley, Philippines. Centre for Enviromental Science, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.