@InCollection{Bisztyga:2016,
author
=
"A.Bisztyga and B.Przywora",
title
=
"Źródła prawa",
pages
=
"33--50",
year
=
"2016",
booktitle
=
"Podstawy prawa ISBN: 9788360953891",
editor
=
"red. Andrzej Bisztyga",
publisher
=
"Górnośląska Wyższa Szkoła Handlowa im. Wojciecha Korfantego",
address
=
"Katowice",
}