Studener, H., & Wolf, W. (1990). Soccer training II: Advanced drills for techniques, game strategies, and physical prepration. Sport Books.
Chicago-referens (17:e uppl.)Studener, Hans, och Werner Wolf. Soccer Training II: Advanced Drills for Techniques, Game Strategies, and Physical Prepration. Toronto, Ont: Sport Books, 1990.
MLA-referens (9:e uppl.)Studener, Hans, och Werner Wolf. Soccer Training II: Advanced Drills for Techniques, Game Strategies, and Physical Prepration. Sport Books, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.