APA (7 वां संस्करण) प्रशस्ति पत्र

Radford, W. C. (1966). Staying longer at school. Australian Council for Educational Research.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Radford, William C. Staying Longer at School. Hawthorn: Australian Council for Educational Research, 1966.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Radford, William C. Staying Longer at School. Australian Council for Educational Research, 1966.