Παραπομπή σε μορφή APA (7η εκδ.)
Pan-European Colloquy on Tourim and Environment (2nd : 1992 : Bucha- rest), Council of Europe, & Council of Europe. (1993). Tourist development and safeguarding of deltas: Proceedings. Council of Europe.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Pan-European Colloquy on Tourim and Environment (2nd : 1992 : Bucha- rest), Council of Europe, και Council of Europe. Tourist Development and Safeguarding of Deltas: Proceedings. Council of Europe, 1993.
Παραπομπή σε μορφή MLA (9th εκδ.)
Pan-European Colloquy on Tourim and Environment (2nd : 1992 : Bucha- rest), et al. Tourist Development and Safeguarding of Deltas: Proceedings. Council of Europe, 1993.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.