Não informado. (1989). Education Libraries Journal. University of London, Institute of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Education Libraries Journal. London: University of London, Institute of Education, 1989.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Education Libraries Journal. University of London, Institute of Education, 1989.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.