Não informado. (1966). Resource Bulletin NC. North Central Forest Experiment Station, Forest Service.
Citace podle Chicago (17th ed.)Não informado. Resource Bulletin NC. Saint Paul, Minn: North Central Forest Experiment Station, Forest Service, 1966.
Citace podle MLA (8th ed.)Não informado. Resource Bulletin NC. North Central Forest Experiment Station, Forest Service, 1966.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..