Fleck, S. J. (1996). Periodization breakthrough!: The ultimate training system. Advanced Research Press.
Chicago-viite (17. p.)Fleck, Steven J. Periodization Breakthrough!: The Ultimate Training System. New York: Advanced Research Press, 1996.
MLA-viite (9. p.)Fleck, Steven J. Periodization Breakthrough!: The Ultimate Training System. Advanced Research Press, 1996.
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