APA (7 वां संस्करण) प्रशस्ति पत्र

Little, R. J. A. (1982). Sampling errors of fertility rates from the WFS. International Statistical Institute; World Fertility Survey.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Little, Roderick J. A. Sampling Errors of Fertility Rates from the WFS. Voorburg, Netherlands : London, U. K.: International Statistical Institute; World Fertility Survey, 1982.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Little, Roderick J. A. Sampling Errors of Fertility Rates from the WFS. International Statistical Institute; World Fertility Survey, 1982.