APA (7 वां संस्करण) प्रशस्ति पत्र

Smith, A. L., & Biddle, S. (2008). Youth physical activity and sedentary behavior: Challenges and solutions. Human Kinetics.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Smith, Alan L., और Stuart Biddle. Youth Physical Activity and Sedentary Behavior: Challenges and Solutions. Champaign, Ill: Human Kinetics, 2008.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Smith, Alan L., और Stuart Biddle. Youth Physical Activity and Sedentary Behavior: Challenges and Solutions. Human Kinetics, 2008.