Lammich, G., & Kadow, H. (1990). Soccer drills and games: Techniques, strategies, and physical preparation. Sport Books.
Lua i Stíl Chicago (17ú heag.)Lammich, Gunter, agus Heinz Kadow. Soccer Drills and Games: Techniques, Strategies, and Physical Preparation. Toronto, Ont: Sport Books, 1990.
Lua MLA (9ú heag.)Lammich, Gunter, agus Heinz Kadow. Soccer Drills and Games: Techniques, Strategies, and Physical Preparation. Sport Books, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.