CGS単位系
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Jackson, John D. (1999). “Appendix on Units and Dimensions”. Classical Electrodynamics (3rd ed.). Wiley. ISBN 0-471-30932-X
Kent, William (1900). “Electrical Engineering. Standards of Measurement page 1024”. The Mechanical Engineer's Pocket-book (5th ed.). Wiley
Littlejohn, Robert (Fall 2017). “Gaussian, SI and Other Systems of Units in Electromagnetic Theory”. Physics 221A, University of California, Berkeley lecture notes. 2017年12月15日閲覧。