DOUGLAS, W. J. (1980). Production system analysis in underground coal mines - Edited William J. Douglas. McGraw Hill.
Chicago Style (17th ed.) CitationDOUGLAS, William J. Production System Analysis in Underground Coal Mines - Edited William J. Douglas. McGraw Hill, 1980.
MLA (8th ed.) CitationDOUGLAS, William J. Production System Analysis in Underground Coal Mines - Edited William J. Douglas. McGraw Hill, 1980.
Warning: These citations may not always be 100% accurate.