APA aipamena

Dewey, M. (1989). Dewey decimal classification and relative index (20th ed.). Forest Press.

Chicago Style aipamena

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 20th ed. Albany, New York: Forest Press, 1989.

MLA aipamena

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 20th ed. Forest Press, 1989.