Ruhl, W. (1980). Field Theoreticl methods in particle physics. Plenum Press.
Dyfyniad Arddull ChicagoRuhl, Werner. Field Theoreticl Methods in Particle Physics. New York: Plenum Press, 1980.
Dyfyniad MLARuhl, Werner. Field Theoreticl Methods in Particle Physics. Plenum Press, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.