Milligan, J. (2005). Swiss ball for total fitness: A step-by-step guide, improve strength & stability, 20-minute workouts. Greenwich.
Chicago Style (17th ed.) CitationMilligan, James. Swiss Ball for Total Fitness: A Step-by-step Guide, Improve Strength & Stability, 20-minute Workouts. London: Greenwich, 2005.
MLA (9th ed.) CitationMilligan, James. Swiss Ball for Total Fitness: A Step-by-step Guide, Improve Strength & Stability, 20-minute Workouts. Greenwich, 2005.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.