Forest Research Institute (Philippines) & Philippines. Ecosystems Research and Development Bureau. (1979). Canopy international. Forest Research Institute.
Cita Chicago (17th ed.)Forest Research Institute (Philippines) i Philippines. Ecosystems Research and Development Bureau. Canopy International. College, Laguna, Philippines: Forest Research Institute, 1979.
Cita MLA (9th ed.)Forest Research Institute (Philippines) i Philippines. Ecosystems Research and Development Bureau. Canopy International. Forest Research Institute, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.