Whitfield, J. F. (2008). Electrical craft principles (5th ed.). Institution of Engineering and Technology.
Chicago-viite (17. p.)Whitfield, J. F. Electrical Craft Principles. 5th ed. London: Institution of Engineering and Technology, 2008.
MLA-viite (8. p.)Whitfield, J. F. Electrical Craft Principles. 5th ed. Institution of Engineering and Technology, 2008.
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