CHOPRAS BS KS. (1985). SELECT READINGS IN LEADERSHIP CHALLANGES IN INDIA. TIMES RESEARCH FOUNDATION.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCHOPRAS BS KS. SELECT READINGS IN LEADERSHIP CHALLANGES IN INDIA. LONDON: TIMES RESEARCH FOUNDATION, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCHOPRAS BS KS. SELECT READINGS IN LEADERSHIP CHALLANGES IN INDIA. TIMES RESEARCH FOUNDATION, 1985.
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