LeRoy, L. W. (1987). Subsurface geology: Petroleum mining construction (5th ed.). Colorado School of Mines.
Chicago Style (17th ed.) CitationLeRoy, Leslie Walter. Subsurface Geology: Petroleum Mining Construction. 5th ed. Golden, Colorado, U.S.A: Colorado School of Mines, 1987.
MLA (8th ed.) CitationLeRoy, Leslie Walter. Subsurface Geology: Petroleum Mining Construction. 5th ed. Colorado School of Mines, 1987.
Warning: These citations may not always be 100% accurate.