Não informado. (1971). British Journal of Educational Technology. National Council for Educational Technology.
Chicagoスタイル(17版)引用形式Não informado. British Journal of Educational Technology. London: National Council for Educational Technology, 1971.
MLA(8版)引用形式Não informado. British Journal of Educational Technology. National Council for Educational Technology, 1971.
警告: この引用は必ずしも正確ではありません.