CCM Information Corporation. (1970). ERIC educational documents index, 1966-1969. CCM Information.
Chicagoスタイル(17版)引用形式CCM Information Corporation. ERIC Educational Documents Index, 1966-1969. New York: CCM Information, 1970.
MLA(9版)引用形式CCM Information Corporation. ERIC Educational Documents Index, 1966-1969. CCM Information, 1970.
警告: この引用は必ずしも正確ではありません.