APA Edition Citation

Sehgal, R. (1994). Introduction to universal decimal classification. Ess Ess.

Chicago Edition Citation

Sehgal, R.L. Introduction to Universal Decimal Classification. New Delhi: Ess Ess, 1994.

MLA Edition Citation

Sehgal, R.L. Introduction to Universal Decimal Classification. Ess Ess, 1994.

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