Παραπομπή σε μορφή APA (7η εκδ.)

Cerri, S. A., & Whiting, J. (1992). Learning technology in the european communities: Proceedings of the DELTA conference on research and development-The Hague 18-19 October 1990. Kluwer academic publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cerri, Stefano A., και John Whiting. Learning Technology in the European Communities: Proceedings of the DELTA Conference on Research and Development-The Hague 18-19 October 1990. Boston, London: Kluwer academic publishers, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cerri, Stefano A., και John Whiting. Learning Technology in the European Communities: Proceedings of the DELTA Conference on Research and Development-The Hague 18-19 October 1990. Kluwer academic publishers, 1992.