(1977). The economics of new educational media: Present status of research and trends. Unesco.
Chicago Style (17th ed.) CitationThe Economics of New Educational Media: Present Status of Research and Trends. London: Unesco, 1977.
ציטוט MLAThe Economics of New Educational Media: Present Status of Research and Trends. Unesco, 1977.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.