Παραπομπή APA

Dewey, M. (1979). Dewey Decimal Classification and relative index (18th ed.). Forest Press.

Παραπομπή Chicago Style

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 18th ed. New York: Forest Press, 1979.

Παραπομπή MLA

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 18th ed. Forest Press, 1979.