Casuga, S. M. Swiss ball training among competitive high school male wrestlers.
Chicago-referens (17:e uppl.)Casuga, Sheryll M. Swiss Ball Training Among Competitive High School Male Wrestlers.
MLA-referens (9:e uppl.)Casuga, Sheryll M. Swiss Ball Training Among Competitive High School Male Wrestlers.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.