APA (7 वां संस्करण) प्रशस्ति पत्र

Lecca, P. J., & Watts, T. D. (1993). Preschoolers and substance abuse: Strategies for prevention and intervention. Haworth Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lecca, Pedro J., और Thomas D. Watts. Preschoolers and Substance Abuse: Strategies for Prevention and Intervention. New York: Haworth Press, 1993.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Lecca, Pedro J., और Thomas D. Watts. Preschoolers and Substance Abuse: Strategies for Prevention and Intervention. Haworth Press, 1993.