Não informado. (1963). CETO news. Centre for Educational Television Overseas.
Chicago-viite (17. p.)Não informado. CETO News. London: Centre for Educational Television Overseas, 1963.
MLA-viite (8. p.)Não informado. CETO News. Centre for Educational Television Overseas, 1963.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.