APA引文

Umali, R. M., & Gamboa, M. A. (1979). The exportation of Philippine mahogany hardwood. Natural Resources Management Center, Ministry of Natural Resources.

Chicago Style (17th ed.) Citation

Umali, Ricardo M., and Maximiano A. Gamboa. The Exportation of Philippine Mahogany Hardwood. Quezon City: Natural Resources Management Center, Ministry of Natural Resources, 1979.

MLA引文

Umali, Ricardo M., and Maximiano A. Gamboa. The Exportation of Philippine Mahogany Hardwood. Natural Resources Management Center, Ministry of Natural Resources, 1979.