Gaya APA

Shockley, W. (1952). Imperfections in Nearly Perfect Crystals; symposium held at pocono manor, oct 12-14, 1950 . New York: John Wiley and Sons, Inc..

Gaya MLA

Shockley, W. "Imperfections in Nearly Perfect Crystals; symposium held at pocono manor, oct 12-14, 1950". New York: John Wiley and Sons, Inc., 1952. Text.