Dyfyniad APA
Ungrad, H., Winkler, W., Wiszniewski, A., & Harrison, P. G. (1995). Protection techniques in electrical energy systems. M. Dekker.
Dyfyniad Arddull Chicago
Ungrad, Helmut, Willibald Winkler, Andrzej Wiszniewski, and Peter G. Harrison. Protection Techniques in Electrical Energy Systems. New York: M. Dekker, 1995.
Dyfyniad MLA
Ungrad, Helmut, et al. Protection Techniques in Electrical Energy Systems. M. Dekker, 1995.
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