(1971). International guide to educational documentation (2d ed.). Unesco.
Chicagoスタイル(17版)引用形式International Guide to Educational Documentation. 2d ed. Paris: Unesco, 1971.
MLA(9版)引用形式International Guide to Educational Documentation. 2d ed. Unesco, 1971.
警告: この引用は必ずしも正確ではありません.