SMITH S.P.,SMITH N.N.P. (1976). PROBLEMS IN ELECTRICAL ENGINEERING. ASIA PUB. HOU.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSMITH S.P.,SMITH N.N.P. PROBLEMS IN ELECTRICAL ENGINEERING. BOMBAY: ASIA PUB. HOU, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSMITH S.P.,SMITH N.N.P. PROBLEMS IN ELECTRICAL ENGINEERING. ASIA PUB. HOU, 1976.
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