@book{Kowal:2008,
author
=
"E.Kowal",
title
=
"Zarządzanie warunkami pracy, ISBN: 9788374811583",
publisher
=
"Oficyna Wydaw. Uniwersytetu Zielonogórskiego",
address
=
"Zielona Góra",
pages
=
"65",
year
=
"2008",
}