Sewa Singh. (1986). Reference service in academic libraries in India.
シカゴスタイル引用形Sewa Singh. Reference Service in Academic Libraries in India. New Delhi, Ess Ess, 1986.
MLA引用形式Sewa Singh. Reference Service in Academic Libraries in India. 1986.
警告: この引用は必ずしも正確ではありません.