Dewey, M. (1959). Decimal classification and relative index (8th abridged ed.). Forest Press.
Chicago Style aipamenaDewey, Melvil. Decimal Classification and Relative Index. 8th abridged ed. Lake Placid, N. Y: Forest Press, 1959.
MLA aipamenaDewey, Melvil. Decimal Classification and Relative Index. 8th abridged ed. Forest Press, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.