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.
MLA引文Unesco. Progress of Literacy in Various Countries: A Preliminary Statistical Study of Available Census Data Since 1900. Unesco.
警告：這些引文格式不一定是100％准確.