Le Fever, J. A., & Anderson, S. B. (1986). Structure and stratigraphy of the Frobisher-Alida and Ratcliffe intervals, Mississippian Madison Group, North-Central North Dakota.
Chicago-Zitierstil (17. Ausg.)Le Fever, Julie A., und Sidney B. Anderson. Structure and Stratigraphy of the Frobisher-Alida and Ratcliffe Intervals, Mississippian Madison Group, North-Central North Dakota. Grand Forks, ND, 1986.
MLA-Zitierstil (9. Ausg.)Le Fever, Julie A., und Sidney B. Anderson. Structure and Stratigraphy of the Frobisher-Alida and Ratcliffe Intervals, Mississippian Madison Group, North-Central North Dakota. 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.