Sifton, Pat
Workbook for DDC 20 : Dewey Decimal Classification Edition 20
Canadian Library Association, 1989
 Buku Referensi
Bowman, J.H.
Essential dewey
Facet, 2005
 Buku Teks
Satija, Mohinder Partap, 1949-
The theory and practice of the dewey decimal classification system
Chandos , 2013
 eBooks
Davis, Sydney W.
DDC 20 workbook : a practical introduction to the Dewey Decimal Classification
Forest Press, 1992
 Buku Teks
Satija, Mohinder Partap, 1949-
Introduction to the practice of Dewey Decimal Classification
Oriental University Press , 1987
 Buku Teks