APA (7 वां संस्करण) प्रशस्ति पत्र

Carin, A. A., & Sund, R. B. (1989). Guided discovery activities for elementary school science (2nd ed.). Merrill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Carin, Arthur A., और Robert B. Sund. Guided Discovery Activities for Elementary School Science. 2nd ed. Columbus, Ohio: Merrill, 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Carin, Arthur A., और Robert B. Sund. Guided Discovery Activities for Elementary School Science. 2nd ed. Merrill, 1989.