APA (7 वां संस्करण) प्रशस्ति पत्र

Kerala (India). Dept. of Economics & Statistics. (1988). Manpower study series. Dept. of Economics and Statistics.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kerala (India). Dept. of Economics & Statistics. Manpower Study Series. Trivandrum: Dept. of Economics and Statistics, 1988.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Kerala (India). Dept. of Economics & Statistics. Manpower Study Series. Dept. of Economics and Statistics, 1988.