National Labor Relations Act (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "National Labor Relations Act" in Polish language version.

refsWebsite

Global rank Polish rank

low place

557^th place

google.pl

books.google.pl

Richard BarryR.B. Freeman Richard BarryR.B., James L.J.L. Medoff James L.J.L., What do unions do?, Basic Books, 1984, ISBN 978-0-465-09133-1 [dostęp 2017-01-14] (ang.).
R.R. Donkin R.R., The History of Work, Palgrave Macmillan UK, 7 maja 2010, ISBN 978-0-230-23893-0 [dostęp 2017-01-14] (ang.).