Gaya APA

Pugh, E, M., Pugh, E, W. (1962). Principles of Electricity and Magnetism. (2). Massachusetts: Addison - Wesley Publishing Company, Inc..

Gaya MLA

Pugh, Emerson, M.., Pugh, Emerson, W.. "Principles of Electricity and Magnetism.". 2 Massachusetts: Addison - Wesley Publishing Company, Inc., 1962. .