Carson, A. B. (1980). General excavation methods. McGraw-Hill.
Cita Chicago Style (17a ed.)Carson, Arthur Brinton. General Excavation Methods. New York: McGraw-Hill, 1980.
Cita MLA (9a ed.)Carson, Arthur Brinton. General Excavation Methods. McGraw-Hill, 1980.
Precaución: Estas citas no son 100% exactas.