Dury, G. H. (1970). Rivers and river terraces. Praeger.
Cita Chicago (17th ed.)Dury, George H. Rivers and River Terraces. New York: Praeger, 1970.
Cita MLA (9th ed.)Dury, George H. Rivers and River Terraces. Praeger, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.