APA ציטוט

Villanueva, T. (2005). Upland ecosystem management (Second edition.). University of the Philippines, Open University.

Chicago Style (17th ed.) Citation

Villanueva, Teodoro. Upland Ecosystem Management. Second edition. Quezon City: University of the Philippines, Open University, 2005.

ציטוט MLA

Villanueva, Teodoro. Upland Ecosystem Management. Second edition. University of the Philippines, Open University, 2005.