McGREGOR, K. (1967). The drilling of rock. CR,Books Ltd.
Chicago Style (17th ed.) CitationMcGREGOR, K. The Drilling of Rock. CR,Books Ltd, 1967.
MLA (8th ed.) CitationMcGREGOR, K. The Drilling of Rock. CR,Books Ltd, 1967.
Warning: These citations may not always be 100% accurate.