SpringerLink (Online service), Plomp, T., Anderson, R. E., & Kontogiannopoulou-Polydorides, G. (1996). Cross National Policies and Practices on Computers in Education. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Tjeerd Plomp, Ronald E. Anderson, και Georgia Kontogiannopoulou-Polydorides. Cross National Policies and Practices on Computers in Education. Dordrecht: Springer Netherlands, 1996.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Cross National Policies and Practices on Computers in Education. Springer Netherlands, 1996.
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