Williams, R. H. (1991). Electrical engineering probability. West Pub.
Cita Chicago (17th ed.)Williams, Richard H. Electrical Engineering Probability. St. Paul: West Pub, 1991.
Cita MLA (9th ed.)Williams, Richard H. Electrical Engineering Probability. West Pub, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.