Citazione APA

Soma Raju P. (1997). Basic of universal decimal classification: A practical workbook. Rajkamal publishers.

Stile di citazione Chicago

Soma Raju P. Basic of Universal Decimal Classification: A Practical Workbook. Visakapatnam: Rajkamal publishers, 1997.

Citazione MLA

Soma Raju P. Basic of Universal Decimal Classification: A Practical Workbook. Rajkamal publishers, 1997.