Paul, C. R., & Clayton R. Paul. (1982). Introduction to electromagnetism field. McGraw-Hill.
Cita Chicago (17th ed.)Paul, Clayton R., i Clayton R. Paul. Introduction to Electromagnetism Field. New York: McGraw-Hill, 1982.
Cita MLA (9th ed.)Paul, Clayton R., i Clayton R. Paul. Introduction to Electromagnetism Field. McGraw-Hill, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.