APA (7e ed.) Bronvermelding

Não informado. (1965). US Forest Service Resource Bulletin PSW. U.S. Forest Service.

Chicago (17e ed.) Bronvermelding

Não informado. US Forest Service Resource Bulletin PSW. Berkeley, Calif: U.S. Forest Service, 1965.

MLA (8e ed.) Bronvermelding

Não informado. US Forest Service Resource Bulletin PSW. U.S. Forest Service, 1965.

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