APA(7版)引用形式
Psacharopoulos, G. (1980). Information, an essential factor in educational planning and policy. Unesco.
Chicagoスタイル(17版)引用形式
Psacharopoulos, George. Information, an Essential Factor in Educational Planning and Policy. Paris: Unesco, 1980.
MLA(9版)引用形式
Psacharopoulos, George. Information, an Essential Factor in Educational Planning and Policy. Unesco, 1980.
警告: この引用は必ずしも正確ではありません.