Παραπομπή APA
Leidner, R., & European Commission. (2007). The european tourism industry in the englarged community: Gaps are potentials and oppurtunities. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleLeidner, Rudiger., and European Commission. The European Tourism Industry in the Englarged Community: Gaps Are Potentials and Oppurtunities. Luxembourg: Office for Official Publications of the European Communities, 2007.
Παραπομπή MLALeidner, Rudiger., and European Commission. The European Tourism Industry in the Englarged Community: Gaps Are Potentials and Oppurtunities. Luxembourg: Office for Official Publications of the European Communities, 2007.
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