Alajääsko, P. (2008). Main features of EU-27 Business services. Statistics in focus: Industry, trade and services.
Chicago-Zitierstil (17. Ausg.)Alajääsko, Pekka. "Main Features of EU-27 Business Services." Statistics in Focus: Industry, Trade and Services 2008.
MLA-Zitierstil (8. Ausg.)Alajääsko, Pekka. "Main Features of EU-27 Business Services." Statistics in Focus: Industry, Trade and Services, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.