Summers, D., & Davison-Aitkins, T. (2007). The sports book: The games, the rules, the tactics, the techniques (1st American ed.). DK Pub..

Summers, David, and Tarda Davison-Aitkins. The Sports Book: The Games, the Rules, the Tactics, the Techniques. 1st American ed. London ; New York: DK Pub., 2007.

Summers, David, and Tarda Davison-Aitkins. The Sports Book: The Games, the Rules, the Tactics, the Techniques. 1st American ed. DK Pub., 2007.