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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रElectrical Equipment News. [Don Mills, Ont.: Southam Business Information and Communications Group, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रElectrical Equipment News. Southam Business Information and Communications Group, 1989.
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