Unesco. Progress of literacy in various countries: A preliminary statistical study of available census data since 1900. Unesco.
Chicago Style (17th ed.) CitationUnesco. Progress of Literacy in Various Countries: A Preliminary Statistical Study of Available Census Data Since 1900. Unesco.
Cita MLAUnesco. Progress of Literacy in Various Countries: A Preliminary Statistical Study of Available Census Data Since 1900. Unesco.
Atenció: Aquestes cites poden no estar 100% correctes.