APA (7th ed.) Citation

Unesco. (1977). The economics of educational media.Vol. 2. Cost and effectiveness. Unesco.

Chicago Style (17th ed.) Citation

Unesco. The Economics of Educational Media.Vol. 2. Cost and Effectiveness. Unesco, 1977.

MLA (8th ed.) Citation

Unesco. The Economics of Educational Media.Vol. 2. Cost and Effectiveness. Unesco, 1977.

Warning: These citations may not always be 100% accurate.