United States. Bureau of Outdoor Recreation. (1966). Federal focal point in outdoor recreation. Superintendent of Documents, U.S. Govt. Print. Off.
Chicago-Zitierstil (17. Ausg.)United States. Bureau of Outdoor Recreation. Federal Focal Point in Outdoor Recreation. [Washington: Superintendent of Documents, U.S. Govt. Print. Off, 1966.
MLA-Zitierstil (9. Ausg.)United States. Bureau of Outdoor Recreation. Federal Focal Point in Outdoor Recreation. Superintendent of Documents, U.S. Govt. Print. Off, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.