APA (7th ed.) Citation

Villanueva, T. R. (2005). Upland ecosystem management. UP Open University.

Chicago Style (17th ed.) Citation

Villanueva, Teodoro R. Upland Ecosystem Management. Quezon City: UP Open University, 2005.

MLA (9th ed.) Citation

Villanueva, Teodoro R. Upland Ecosystem Management. UP Open University, 2005.