Institute of Electrical and Electronics Engineers. (1990). IEEE recommended practices for industrial and commercial power systems analysis: Approved May 31, 1990, IEEE Standards Board, approved Oct. 12, 1990, American National Standards Institute (1. print.).
Chicago-Zitierstil (17. Ausg.)Institute of Electrical and Electronics Engineers. IEEE Recommended Practices for Industrial and Commercial Power Systems Analysis: Approved May 31, 1990, IEEE Standards Board, Approved Oct. 12, 1990, American National Standards Institute. 1. print. New York, NY, 1990.
MLA-Zitierstil (9. Ausg.)Institute of Electrical and Electronics Engineers. IEEE Recommended Practices for Industrial and Commercial Power Systems Analysis: Approved May 31, 1990, IEEE Standards Board, Approved Oct. 12, 1990, American National Standards Institute. 1. print. 1990.