Rubenstein, I. (2005). Exercise Ideas for Upper Body Strengthening. Visual Health Information.
Cita Chicago (17th ed.)Rubenstein, Irv. Exercise Ideas for Upper Body Strengthening. Visual Health Information, 2005.
Cita MLA (9th ed.)Rubenstein, Irv. Exercise Ideas for Upper Body Strengthening. Visual Health Information, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.