@InCollection{Piechowiak:2007,
author
=
"M.Piechowiak",
title
=
"Pozytywizm prawniczy",
pages
=
"417--425",
year
=
"2007",
booktitle
=
"Powszechna encyklopedia filozofii. T. 8: P - S ISBN: 9788360144060",
publisher
=
"Polskie Towarzystwo Tomasza z Akwinu",
address
=
"Lublin",
}