APA (7 वां संस्करण) प्रशस्ति पत्र

TIMES RESEARCH FOUNDATION. (1983). SELECT READINGS ON PRODUCTIVITY. TIMES RESEARCH FOUNDATION.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

TIMES RESEARCH FOUNDATION. SELECT READINGS ON PRODUCTIVITY. BOMBAY: TIMES RESEARCH FOUNDATION, 1983.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

TIMES RESEARCH FOUNDATION. SELECT READINGS ON PRODUCTIVITY. TIMES RESEARCH FOUNDATION, 1983.