Williams, W. S. C. (1971). An introduction to elementary particles (2nd ed.). New York, NY: Academic Press.
Παραπομπή Chicago StyleWilliams, W. S. C. An Introduction to Elementary Particles. 2nd ed. New York, NY: Academic Press, 1971.
Παραπομπή MLAWilliams, W. S. C. An Introduction to Elementary Particles. 2nd ed. New York, NY: Academic Press, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.