Dewey, M. (1971). Dewey decimal classification and relative index (18th. ed.). Forest Press, a division of OCLC Online Computer Library Center.
Chicago-Zitierstil (17. Ausg.)Dewey, Melvil. Dewey Decimal Classification and Relative Index. 18th. ed. Albany, N.Y.: Forest Press, a division of OCLC Online Computer Library Center, 1971.
MLA-Zitierstil (9. Ausg.)Dewey, Melvil. Dewey Decimal Classification and Relative Index. 18th. ed. Forest Press, a division of OCLC Online Computer Library Center, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.