Poland - Country profile View country profile from World Statistics Pocketbook http://data.un.org/
Poland - Statistics Poland National Statistical Office of Poland http://www.stat.gov.pl/
United Nations Statistics Division - National Accounts Estimates of Main Aggregates National accounts estimates for most countries and areas from 1970 onwards. http://unstats.un.org/
United Nations Statistics Division - National Accounts Official Country Data Official national accounts statistics in national currencies as provided by the National Statistical Offices. http://unstats.un.org/