(1992). Forestry for people and nature: Field research and theory on enviroment development in the Cagayan Valley, Philippines. Centre for Enviromental Science.
Chicago Style (17. basım) AtıfForestry for People and Nature: Field Research and Theory on Enviroment Development in the Cagayan Valley, Philippines. Netherlands: Centre for Enviromental Science, 1992.
MLA (9th ed.) AtıfForestry for People and Nature: Field Research and Theory on Enviroment Development in the Cagayan Valley, Philippines. Centre for Enviromental Science, 1992.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..