@book{Skawińska:2011,
author
=
"E.Skawińska and P.Bartkiewicz",
title
=
"Ekonomia międzynarodowa : wybrane problemy, ISBN: 9788377750193",
publisher
=
"Wydaw. Politechniki Poznańskiej",
address
=
"Poznań",
pages
=
"152",
year
=
"2011",
}