Lohmann, W., & Klavora, P. (1990). Running, jumping, throwing for youth: Fundamental techniques and training routines in track and field. Sport Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lohmann, Wolfgang, و Peter Klavora. Running, Jumping, Throwing for Youth: Fundamental Techniques and Training Routines in Track and Field. Toronto, Ont: Sport Books, 1990.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lohmann, Wolfgang, و Peter Klavora. Running, Jumping, Throwing for Youth: Fundamental Techniques and Training Routines in Track and Field. Sport Books, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.