Gilmore, R. (1981). Catastrophe theory for scientists and engineers. Wiley.
Dyfyniad Arddull ChicagoGilmore, Robert. Catastrophe Theory for Scientists and Engineers. New York: Wiley, 1981.
Dyfyniad MLAGilmore, Robert. Catastrophe Theory for Scientists and Engineers. Wiley, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.