United States. Forest Service. (1958). Timber resources for America's future. U.S. Govt. Print. Off.
Chicago (17e ed.) BronvermeldingUnited States. Forest Service. Timber Resources for America's Future. [Washington: U.S. Govt. Print. Off, 1958.
MLA (9e ed.) BronvermeldingUnited States. Forest Service. Timber Resources for America's Future. U.S. Govt. Print. Off, 1958.
Let op: Deze citaties zijn niet altijd 100% accuraat.