Lee, B., & Glassmam, G. 101 best jump rope workouts.
Lua i Stíl Chicago (17ú heag.)Lee, Buddy, agus Greg Glassmam. 101 Best Jump Rope Workouts.
Lua MLA (9ú heag.)Lee, Buddy, agus Greg Glassmam. 101 Best Jump Rope Workouts.
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