(1920). Regulations to govern the Leasing of Lands in the Osage Reservation, Okla., for Mining Purposes <except Oil and Gas Mining>. (Government Printing Office).
Chicago-Zitierstil (17. Ausg.)Regulations to Govern the Leasing of Lands in the Osage Reservation, Okla., for Mining Purposes <except Oil and Gas Mining>. (Washington): (Government Printing Office), 1920.
MLA-Zitierstil (9. Ausg.)Regulations to Govern the Leasing of Lands in the Osage Reservation, Okla., for Mining Purposes <except Oil and Gas Mining>. (Government Printing Office), 1920.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.