Ducanis, Alex J.
Aspen, 1979
Buku Teks SO
Fox, Frank W.
Kendall/Hunt , 1990
Buku Teks
Sedgewick, Robert, 1946-
R.R. Donnelly, 2017
Buku Teks
Walsh, Anthony, 1941-
Sage Publications, , 2007
Buku Teks
American Association of Cardiovascular and Pulmonary Rehabilitation
IL Human Kinetics, 2013
Buku Teks