Soma Raju P. (1997). Basic of universal decimal classification: A practical workbook. Rajkamal publishers.
シカゴスタイル引用形Soma Raju P. Basic of Universal Decimal Classification: A Practical Workbook. Visakapatnam: Rajkamal publishers, 1997.
MLA引用形式Soma Raju P. Basic of Universal Decimal Classification: A Practical Workbook. Rajkamal publishers, 1997.
警告: この引用は必ずしも正確ではありません.