APA (7 वां संस्करण) प्रशस्ति पत्र

Harlan, J. D. (1992). Science experiences for the early childhood years (5th ed.). Macmillan.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Harlan, Jean Durgin. Science Experiences for the Early Childhood Years. 5th ed. New York: Macmillan, 1992.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Harlan, Jean Durgin. Science Experiences for the Early Childhood Years. 5th ed. Macmillan, 1992.