Dewey, M. (2003). Dewey decimal classification and relative index (22th. ed.). Forest Press, a division of OCLC Online Computer Library Center.
Lua i Stíl Chicago (17ú heag.)Dewey, Melvil. Dewey Decimal Classification and Relative Index. 22th. ed. ohio: Forest Press, a division of OCLC Online Computer Library Center, 2003.
Lua MLA (9ú heag.)Dewey, Melvil. Dewey Decimal Classification and Relative Index. 22th. ed. Forest Press, a division of OCLC Online Computer Library Center, 2003.
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