Παραπομπή σε μορφή APA (7η εκδ.)

McCulloch, C., & Σμυρλή, Ε. (2002). Users' views on e-learning: Cedefop online surveys. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

McCulloch, Colin, και Εύα Σμυρλή. Users' Views on E-learning: Cedefop Online Surveys. Luxembourg: Office for Official Publications of the European Communities, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

McCulloch, Colin, και Εύα Σμυρλή. Users' Views on E-learning: Cedefop Online Surveys. Office for Official Publications of the European Communities, 2002.