Παραπομπή σε μορφή APA (7η εκδ.)

Alajääsko, P. (2008). Main features of EU-27 Business services. Statistics in focus: Industry, trade and services.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alajääsko, Pekka. "Main Features of EU-27 Business Services." Statistics in Focus: Industry, Trade and Services 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Alajääsko, Pekka. "Main Features of EU-27 Business Services." Statistics in Focus: Industry, Trade and Services, 2008.