Spangler, M. (1982). Soil Engineering (4.). Harper and Raw Publishers.
Citación estilo ChicagoSpangler, M.G. Soil Engineering. 4. London: Harper and Raw Publishers, 1982.
Cita MLASpangler, M.G. Soil Engineering. 4. Harper and Raw Publishers, 1982.
Precaución: Estas citas no son 100% exactas.