Villanueva, T. R. (2005). Upland ecosystem management (2nd ed.). UP Open University.
Chicago Style (17th ed.) CitationVillanueva, Teodoro R. Upland Ecosystem Management. 2nd ed. Diliman, Quezon City: UP Open University, 2005.
MLA (9th ed.) CitationVillanueva, Teodoro R. Upland Ecosystem Management. 2nd ed. UP Open University, 2005.
Warning: These citations may not always be 100% accurate.