UNESCO. (1997). Study Abroad (30th ed.). Oxford & IBH Publishing Co.
Chicago Style (17th ed.) CitationUNESCO. Study Abroad. 30th ed. New Delhi: Oxford & IBH Publishing Co, 1997.
MLA引文UNESCO. Study Abroad. 30th ed. Oxford & IBH Publishing Co, 1997.
警告:這些引文格式不一定是100%准確.