Richardson, D. E. (1946). Electrical network calculations ; tabular methods of solution. D. Van Nostrand company,Inc.
Cita Chicago (17th ed.)Richardson, Donald Elmer. Electrical Network Calculations ; Tabular Methods of Solution. New York: D. Van Nostrand company,Inc, 1946.
Cita MLA (9th ed.)Richardson, Donald Elmer. Electrical Network Calculations ; Tabular Methods of Solution. D. Van Nostrand company,Inc, 1946.
Atenció: Aquestes cites poden no estar 100% correctes.