APA (7e ed.) Bronvermelding

Não informado. (1938). Philippine Journal of Forestry. Department of Agriculture and Natural Resources.

Chicago (17e ed.) Bronvermelding

Não informado. Philippine Journal of Forestry. Manila: Department of Agriculture and Natural Resources, 1938.

MLA (8e ed.) Bronvermelding

Não informado. Philippine Journal of Forestry. Department of Agriculture and Natural Resources, 1938.

Let op: Deze citaties zijn niet altijd 100% accuraat.