Fredericq, E., & Houssier, C. (1973). Electric dichronism and electric birefringence. Clarendon.
Dyfyniad Arddull ChicagoFredericq, E., and C. Houssier. Electric Dichronism and Electric Birefringence. Oxford: Clarendon, 1973.
Dyfyniad MLAFredericq, E., and C. Houssier. Electric Dichronism and Electric Birefringence. Clarendon, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.