Παραπομπή σε μορφή APA (7η εκδ.)

Commission of the European Communities. Tourism Unit. (1993). Impact of completion of the internal market on the tourism sector. TECNECON Economic and Transport Consultants.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Commission of the European Communities. Tourism Unit. Impact of Completion of the Internal Market on the Tourism Sector. Luxenbourg: TECNECON Economic and Transport Consultants, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Commission of the European Communities. Tourism Unit. Impact of Completion of the Internal Market on the Tourism Sector. TECNECON Economic and Transport Consultants, 1993.