Não informado. (1972). Forestry digest. University of the Philippines, College of Forestry, Department of Forestry.
Cita Chicago Style (17a ed.)Não informado. Forestry Digest. Laguna, Filipinas: University of the Philippines, College of Forestry, Department of Forestry, 1972.
Cita MLA (8a ed.)Não informado. Forestry Digest. University of the Philippines, College of Forestry, Department of Forestry, 1972.
Precaución: Estas citas no son 100% exactas.