George Thomas Kurian. (1991). The new book of world rankings. New York: Facts On File.
シカゴスタイル引用形George Thomas Kurian. The New Book of World Rankings. New York: Facts On File, 1991.
MLA引用形式George Thomas Kurian. The New Book of World Rankings. New York: Facts On File, 1991.
警告: この引用は必ずしも正確ではありません.