Παραπομπή σε μορφή APA (7η εκδ.)

Sys, C., Vanelslander, T., Ponnekeblom, G., & Crius Group, H. (2011). Future challenges for inland navigation: A scientific appraisal of the consequences of possible strategic and economic developments up to 2030. University Press Antwerp.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sys, Christa, Thierry Vanelslander, Gentbrugge Ponnekeblom, και Hulshout Crius Group. Future Challenges for Inland Navigation: A Scientific Appraisal of the Consequences of Possible Strategic and Economic Developments Up to 2030. Brussels, Belgium: University Press Antwerp, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sys, Christa, et al. Future Challenges for Inland Navigation: A Scientific Appraisal of the Consequences of Possible Strategic and Economic Developments Up to 2030. University Press Antwerp, 2011.