Não informado. (1958). Education Libraries Bulletin. University of London, Institute of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Education Libraries Bulletin. London: University of London, Institute of Education, 1958.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Education Libraries Bulletin. University of London, Institute of Education, 1958.
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