Παραπομπή σε μορφή APA (7η εκδ.)

Internet Access in Public & Private Schools. US Department of Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Internet Access in Public & Private Schools. US Department of Education.

Παραπομπή σε μορφή MLA (8th εκδ.)

Internet Access in Public & Private Schools. US Department of Education.