Não informado. Public telecommunications review. National Association of Educational Broadcasters.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Public Telecommunications Review. Washington: National Association of Educational Broadcasters.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Public Telecommunications Review. National Association of Educational Broadcasters.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.