El-Hawary, M. E., & Christensen, G. S. [ca. 1979]. Optimal economic operation of electric power systems. In Mathematics in science and engineering [Book]. New York [u.a.]: Acad. Press.
ISO-690 (author-date, English)EL-HAWARY, Mohamed E. und CHRISTENSEN, Gustav S., 1979. Optimal economic operation of electric power systems. New York [u.a.]: Acad. Press. Mathematics in science and engineering, 142. ISBN 0122368509.
Modern Language Association 9th editionEl-Hawary, M. E., und G. S. Christensen. „Optimal economic operation of electric power systems“. Mathematics in science and engineering, book, Acad. Press, 1979.
Mohr Siebeck - Recht (Deutsch - Österreich)El-Hawary, Mohamed E./Christensen, Gustav S.: Optimal economic operation of electric power systems, . Mathematics in science and engineering, New York [u.a.] 1979.
Emerald - HarvardEl-Hawary, M.E. und Christensen, G.S. (1979), Optimal economic operation of electric power systems, Mathematics in science and engineering, Bd. , Acad. Press, New York [u.a.].