MIDDLETON, R. G. (1969). Audels handy book of practical electricity.: Robert G. MIDDLETON. Taraporevala.
Tohutoru Kātū Chicago (17th ed.)MIDDLETON, Robert G. Audels Handy Book of Practical Electricity.: Robert G. MIDDLETON. Bombay: Taraporevala, 1969.
Tohutoro MLA (9th ed.)MIDDLETON, Robert G. Audels Handy Book of Practical Electricity.: Robert G. MIDDLETON. Taraporevala, 1969.
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