Simpson, J. E. (1997). Gravity currents in the enviornment and the laboratory (2nd ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoSimpson, John E. Gravity Currents in the Enviornment and the Laboratory. 2nd ed. United kingdom: Cambridge University Press, 1997.
Dyfyniad MLASimpson, John E. Gravity Currents in the Enviornment and the Laboratory. 2nd ed. Cambridge University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.