@book{Asienkiewicz:2011,
author
=
"R.Asienkiewicz",
title
=
"Humanistic and Social Issues of Physical Education, ISBN: 9788374814584",
publisher
=
"University of Zielona Góra Press",
address
=
"Zielona Góra",
pages
=
"141",
year
=
"2011",
}