CUMMING, J. D. (1956). DIAMOND DRILL HANDBOOK. JAICO PUBLISHING HOUSE.
Cita Chicago (17th ed.)CUMMING, JAMES D. DIAMOND DRILL HANDBOOK. CANADA: JAICO PUBLISHING HOUSE, 1956.
Cita MLA (9th ed.)CUMMING, JAMES D. DIAMOND DRILL HANDBOOK. JAICO PUBLISHING HOUSE, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.