1
Publicado 2008
“...National Strength & Conditioning Association...”
Libro
2
Publicado 1993
“...National Strength & Conditioning Association...”
Revista
3
Publicado 2015
“...National Strength & Conditioning Association (U.S)...”
Libro
4
Publicado 2018
“...National Strength & Conditioning Association (E.E.U.U.),...”
Libro