Não informado. (1959). Screen education. Society for Education in Film and Television.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Screen Education. London: Society for Education in Film and Television, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Screen Education. Society for Education in Film and Television, 1959.
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