APA (7e ed.) Bronvermelding

Não informado. (2022). US Forest Service Resource Bulletin NC. North Central Forest Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. US Forest Service Resource Bulletin NC. Saint Paul, Minn: North Central Forest Experiment Station, 2022.

MLA (8e ed.) Bronvermelding

Não informado. US Forest Service Resource Bulletin NC. North Central Forest Experiment Station, 2022.

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