Bogert, L. Jean (Lotta Jean), 1888-1970
W.B. Saunders, 1973
Buku Teks
Williams, Melvin
McGraw-Hill, 2013
Buku Teks
New York : Macmillan, 1993,
Buku Referensi
The Japanese Society of Physical Fitness and Sports Medicine, 2017
Majalah, Jurnal, Buletin
Siedentop, Daryl
McGraw-Hill, 2012
Buku Teks SO