CASSIDY, S. M. (1973). Elements of pratical coal mining. The American Institute of mining Metallurgy and petroleum engineers.
Chicago Style (17th ed.) CitationCASSIDY, Samuel M. Elements of Pratical Coal Mining. The American Institute of mining Metallurgy and petroleum engineers, 1973.
MLA (8th ed.) CitationCASSIDY, Samuel M. Elements of Pratical Coal Mining. The American Institute of mining Metallurgy and petroleum engineers, 1973.
Warning: These citations may not always be 100% accurate.