OECD - Organisition for Economic Co-Operation and Development, Centre for Co-Operation with the Economies in Transition, Hungarian Central Statistical Office
1994

Central Statistical Office, Library and Documentation Service ; editor Csahók István ; compiled by Kiss Judit, Nagy Éva, Szvák Emma
1998

OECD-Organisation for Economic Co-Operation and Development
1991-

Hungarian Central Statistical Office
1997-

Office Central de Statistique
1960