APA način citiranja (7. izdanje)
Psacharopoulos, G. (1980). Information, an essential factor in educational planning and policy. Unesco.
Čikaški stil citiranja (17. izdanje)
Psacharopoulos, George. Information, an Essential Factor in Educational Planning and Policy. Paris: Unesco, 1980.
MLA način citiranja (9. izdanje)
Psacharopoulos, George. Information, an Essential Factor in Educational Planning and Policy. Unesco, 1980.
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