Não informado. (1960). The Mining Engineer. Institution of Mining Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. The Mining Engineer. London: Institution of Mining Engineers, 1960.
MLA-Zitierstil (8. Ausg.)Não informado. The Mining Engineer. Institution of Mining Engineers, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.