R.Wellman William. (1957). Elementary Industrial Electronics. New York: D.van Nostrand Company,Inc.
Trích dẫn kiểu ChicagoR.Wellman William. Elementary Industrial Electronics. New York: D.van Nostrand Company,Inc, 1957.
Deismireacht MLAR.Wellman William. Elementary Industrial Electronics. New York: D.van Nostrand Company,Inc, 1957.
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