Unesco. (1968). The Social sciences: Problems and orientations. Mouton.
Chicagoスタイル(17版)引用形式Unesco. The Social Sciences: Problems and Orientations. The Hague: Mouton, 1968.
MLA(9版)引用形式Unesco. The Social Sciences: Problems and Orientations. Mouton, 1968.
警告: この引用は必ずしも正確ではありません.