431792 Phillips, S., & Williams, P. (2008). Strength for life: The fitness plan for the best of your life. New York, NY : Ballantine Books.
Cita Chicago (17th ed.)431792 Phillips, Shawn, i Pete Williams. Strength for Life: The Fitness Plan for the Best of Your Life. New York, NY : Ballantine Books, 2008.
Cita MLA (9th ed.)431792 Phillips, Shawn, i Pete Williams. Strength for Life: The Fitness Plan for the Best of Your Life. New York, NY : Ballantine Books, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.