Deismireacht APA

Dewey, M. (1996). Dewey decimal classification (21st.). Forest Press.

Chicago Edition Citation

Dewey, Melvil. Dewey Decimal Classification. 21st. Newyork: Forest Press, 1996.

Deismireacht MLA

Dewey, Melvil. Dewey Decimal Classification. 21st. Forest Press, 1996.

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