Scott, M. L. (1998). Dewey decimal classification, 21st edition: A study manual and number building guide. Libraries Unlimited.
Chicago Style (17. basım) AtıfScott, Mona L. Dewey Decimal Classification, 21st Edition: A Study Manual and Number Building Guide. Englewood, Colo: Libraries Unlimited, 1998.
MLA (9th ed.) AtıfScott, Mona L. Dewey Decimal Classification, 21st Edition: A Study Manual and Number Building Guide. Libraries Unlimited, 1998.
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