National conference on Policy Issues in Outdoor Recreation, Utah, 1966. (1966). Proceedings. Department of the Interior.
Chicago-Zitierstil (17. Ausg.)National conference on Policy Issues in Outdoor Recreation, Utah, 1966. Proceedings. Logan, Utah: Department of the Interior, 1966.
MLA-Zitierstil (9. Ausg.)National conference on Policy Issues in Outdoor Recreation, Utah, 1966. Proceedings. Department of the Interior, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.