Kochar, R. S. (1998). Library Classification Systems. Common Wealth Publishers.
シカゴスタイル引用形Kochar, R. S. Library Classification Systems. New Delhi: Common Wealth Publishers, 1998.
MLA引用形式Kochar, R. S. Library Classification Systems. Common Wealth Publishers, 1998.
警告: この引用は必ずしも正確ではありません.