International Bureau of Education & Unesco. (1991). Unesco, IBE education thesaurus: A list of terms for indexing and retrieving documents and data in the field of education with French and Spanish equivalents (5th ed., 1990, rev. and enl.). UNESCO.
Chicago Style (17th ed.) CitationInternational Bureau of Education and Unesco. Unesco, IBE Education Thesaurus: A List of Terms for Indexing and Retrieving Documents and Data in the Field of Education with French and Spanish Equivalents. 5th ed., 1990, rev. and enl. Paris: UNESCO, 1991.
ציטוט MLAInternational Bureau of Education and Unesco. Unesco, IBE Education Thesaurus: A List of Terms for Indexing and Retrieving Documents and Data in the Field of Education with French and Spanish Equivalents. 5th ed., 1990, rev. and enl. UNESCO, 1991.