Não informado. (1966). Research in Education. Educational Research Information Center.
Chicagoスタイル(17版)引用形式Não informado. Research in Education. Washington: Educational Research Information Center, 1966.
MLA(8版)引用形式Não informado. Research in Education. Educational Research Information Center, 1966.
警告: この引用は必ずしも正確ではありません.