Catalogue Persistent Identifier
https://nla.gov.au/nla.cat-vn4551239
APA Citation
Leonard, Joseph W. (1973). Research needs in coal mining. Morgantown, W. Va : Coal Research Bureau, West Virginia University
MLA Citation
Leonard, Joseph W. Research needs in coal mining / Joseph W. Leonard Coal Research Bureau, West Virginia University Morgantown, W. Va 1973
Australian/Harvard Citation
Leonard, Joseph W. 1973, Research needs in coal mining / Joseph W. Leonard Coal Research Bureau, West Virginia University Morgantown, W. Va
Wikipedia Citation
{{Citation | title=Research needs in coal mining / Joseph W. Leonard | author1=Leonard, Joseph W | year=1973 | publisher=Coal Research Bureau, West Virginia University | language=English }}