Chopra, H. (1995). Library conservation. Commonwealth Publishers.
Chicagoスタイル(17版)引用形式Chopra, H.S. Library Conservation. New Delhi: Commonwealth Publishers, 1995.
MLA(9版)引用形式Chopra, H.S. Library Conservation. Commonwealth Publishers, 1995.
警告: この引用は必ずしも正確ではありません.