Clements, D. J. (1984). [Catholic Indian Mission: Standing Rock Indian Reservation]. Catholic Indian Mission.
Dyfyniad Arddull ChicagoClements, David J. [Catholic Indian Mission: Standing Rock Indian Reservation]. Fort Yates, N.D.: Catholic Indian Mission, 1984.
Dyfyniad MLAClements, David J. [Catholic Indian Mission: Standing Rock Indian Reservation]. Catholic Indian Mission, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.