Cita APA

Sehgal R.L. (2000). Introduction to Dewey Decimal classification (1st.). Ess Ess.

Chicago Edition Citation

Sehgal R.L. Introduction to Dewey Decimal Classification. 1st. New Delhi: Ess Ess, 2000.

Cita MLA

Sehgal R.L. Introduction to Dewey Decimal Classification. 1st. Ess Ess, 2000.