APA (7 वां संस्करण) प्रशस्ति पत्र

Stahl, R. J. (1995). Cooperative learning in language arts: A handbook for teachers. Innovative Learning Publications.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Stahl, Robert J. Cooperative Learning in Language Arts: A Handbook for Teachers. Menlo Park, Calif: Innovative Learning Publications, 1995.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Stahl, Robert J. Cooperative Learning in Language Arts: A Handbook for Teachers. Innovative Learning Publications, 1995.