Unesco. (1949). A handbook for the improvement of textbooks and teaching materials as aids to international understanding. UNESCO.
Chicago Style (17th ed.) CitationUnesco. A Handbook for the Improvement of Textbooks and Teaching Materials as Aids to International Understanding. Paris: UNESCO, 1949.
MLA (8th ed.) CitationUnesco. A Handbook for the Improvement of Textbooks and Teaching Materials as Aids to International Understanding. UNESCO, 1949.
Warning: These citations may not always be 100% accurate.