Tohutoro APA (7th ed.)

Steinhöfel, L. (2004). Competitive Tennis: Training Exercises (2nd Ed.). Meyer & Meyer Sport.

Tohutoru Kātū Chicago (17th ed.)

Steinhöfel, Lutz. Competitive Tennis: Training Exercises. 2nd Ed. Oxford, United Kingdom: Meyer & Meyer Sport, 2004.

Tohutoro MLA (9th ed.)

Steinhöfel, Lutz. Competitive Tennis: Training Exercises. 2nd Ed. Meyer & Meyer Sport, 2004.