(1954). Basic facts and figures: Illiteracy, education, libraries, museums, books, newspapers, newsprint, film, radio and television. UNESCO.
Cita Chicago Style (17a ed.)Basic Facts and Figures: Illiteracy, Education, Libraries, Museums, Books, Newspapers, Newsprint, Film, Radio and Television. París: UNESCO, 1954.
Cita MLA (9a ed.)Basic Facts and Figures: Illiteracy, Education, Libraries, Museums, Books, Newspapers, Newsprint, Film, Radio and Television. UNESCO, 1954.
Precaución: Estas citas no son 100% exactas.