UNESCO. (1949). A Handbook for the improvement of texbooks and teaching materials as aids to international understanding. Unesco.
Chicago Style CitationUNESCO. A Handbook for the Improvement of Texbooks and Teaching Materials As Aids to International Understanding. Unesco, 1949.
MLA CitationUNESCO. A Handbook for the Improvement of Texbooks and Teaching Materials As Aids to International Understanding. Unesco, 1949.
Warning: These citations may not always be 100% accurate.