Coal Industry Leaflets. No. 3, The national minimum. London : Published by Coal Industry Publications.
Chicago Style (17th ed.) CitationCoal Industry Leaflets. No. 3, The National Minimum. London : Published by Coal Industry Publications.
MLA (8th ed.) CitationCoal Industry Leaflets. No. 3, The National Minimum. London : Published by Coal Industry Publications.
Warning: These citations may not always be 100% accurate.