Petro, S. (1986). The tennis drill book: [over 100 drills designed to develop tennis skills for players ofall competitive levels]. Leisure Press.
Chicago-Zitierstil (17. Ausg.)Petro, Sharon. The Tennis Drill Book: [over 100 Drills Designed to Develop Tennis Skills for Players Ofall Competitive Levels]. Champaign, Ill: Leisure Press, 1986.
MLA-Zitierstil (9. Ausg.)Petro, Sharon. The Tennis Drill Book: [over 100 Drills Designed to Develop Tennis Skills for Players Ofall Competitive Levels]. Leisure Press, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.