Não informado. (2003). Columbia University bulletin of information. Columbia University.
Chicagoスタイル(17版)引用形式Não informado. Columbia University Bulletin of Information. New York: Columbia University, 2003.
MLA(8版)引用形式Não informado. Columbia University Bulletin of Information. Columbia University, 2003.
警告: この引用は必ずしも正確ではありません.