Vujanovic, B. D., & Jones, S. E. (1989). Variational methods in nonconservative phenomena. Academic.
Dyfyniad Arddull ChicagoVujanovic, B D., and S E. Jones. Variational Methods in Nonconservative Phenomena. Boston: Academic, 1989.
Dyfyniad MLAVujanovic, B D., and S E. Jones. Variational Methods in Nonconservative Phenomena. Academic, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.