Não informado. (2007). Learning resources. Association for Educational Communications and Technology.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Learning Resources. Washington: Association for Educational Communications and Technology, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Learning Resources. Association for Educational Communications and Technology, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.