Dyfyniad APA

Pushpa Dhyani. (2002). Classifying with dewey decimal classification (editions 19th and 20th). Ess Ess Publications.

Dyfyniad Arddull Chicago

Pushpa Dhyani. Classifying with Dewey Decimal Classification (editions 19th and 20th). New Delhi: Ess Ess Publications, 2002.

Dyfyniad MLA

Pushpa Dhyani. Classifying with Dewey Decimal Classification (editions 19th and 20th). Ess Ess Publications, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.