Froggatt, C. D., & Nielsen, H. B. (1991). Origin of symmetries. Singapore ; River Edge, NJ: World Scientific.
Dyfyniad Arddull ChicagoFroggatt, C. D., và H. B. Nielsen. Origin of Symmetries. Singapore ; River Edge, NJ: World Scientific, 1991.
Dyfyniad MLAFroggatt, C. D., và H. B. Nielsen. Origin of Symmetries. Singapore ; River Edge, NJ: World Scientific, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.