Glossary of conference terms :
English, French, Arabic.

APA Citation

Unesco. (1980). Glossary of conference terms: English, French, Arabic. 2d rev. ed. Paris: Unesco.

MLA Citation

Unesco. Glossary of Conference Terms: English, French, Arabic. 2d rev. ed. Paris: Unesco, 1980.

Warning: These citations may not always be complete (especially for serials).