Não informado. (1963). CETO news. Centre for Educational Television Overseas.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. CETO News. London: Centre for Educational Television Overseas, 1963.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. CETO News. Centre for Educational Television Overseas, 1963.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.