Não informado. (1989). Education Libraries Journal. University of London, Institute of Education.
Chicagoスタイル(17版)引用形式Não informado. Education Libraries Journal. London: University of London, Institute of Education, 1989.
MLA(8版)引用形式Não informado. Education Libraries Journal. University of London, Institute of Education, 1989.
警告: この引用は必ずしも正確ではありません.