Não informado. (1938). Philippine Journal of Forestry. Department of Agriculture and Natural Resources.
Cita Chicago Style (17a ed.)Não informado. Philippine Journal of Forestry. Manila: Department of Agriculture and Natural Resources, 1938.
Cita MLA (8a ed.)Não informado. Philippine Journal of Forestry. Department of Agriculture and Natural Resources, 1938.
Precaución: Estas citas no son 100% exactas.