Não informado. (1969). Research in Education. Manchester University Press.
Chicagoスタイル(17版)引用形式Não informado. Research in Education. Manchester, Inglaterra: Manchester University Press, 1969.
MLA(8版)引用形式Não informado. Research in Education. Manchester University Press, 1969.
警告: この引用は必ずしも正確ではありません.