Kochar, R. S. (1998). Library classification systems. Commonwealth.
Chicagoスタイル(17版)引用形式Kochar, R. S. Library Classification Systems. New Delhi: Commonwealth, 1998.
MLA(9版)引用形式Kochar, R. S. Library Classification Systems. Commonwealth, 1998.
警告: この引用は必ずしも正確ではありません.