Grupp, J. (2010). Shotokan Karate: Technik, Training, Prüfung (6. Aufl.). Meyer & Meyer.
Chicago Style (17th ed.) CitationGrupp, Joachim. Shotokan Karate: Technik, Training, Prüfung. 6. Aufl. Aachen: Meyer & Meyer, 2010.
MLA (9th ed.) CitationGrupp, Joachim. Shotokan Karate: Technik, Training, Prüfung. 6. Aufl. Meyer & Meyer, 2010.
Warning: These citations may not always be 100% accurate.