Tohutoro APA (7th ed.)
Cotton, H. (1999). Electrical technology (7th ed.). CBS Pub.
Tohutoru Kātū Chicago (17th ed.)
Cotton, H. Electrical Technology. 7th ed. New Delhi: CBS Pub, 1999.
Tohutoro MLA (9th ed.)
Cotton, H. Electrical Technology. 7th ed. CBS Pub, 1999.
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