Bowles, O. (1934). The stone industries: Dimension stone, crushed stone, geology technology, distribution, utilization. McGraw-Hill.
Cita Chicago Style (17a ed.)Bowles, Oliver. The Stone Industries: Dimension Stone, Crushed Stone, Geology Technology, Distribution, Utilization. London: McGraw-Hill, 1934.
Cita MLA (8a ed.)Bowles, Oliver. The Stone Industries: Dimension Stone, Crushed Stone, Geology Technology, Distribution, Utilization. McGraw-Hill, 1934.
Precaución: Estas citas no son 100% exactas.