Dewey, M. (1996). Dewey decimal classification and relative index (21st ed.). Albany, N.Y.: Forest Press.
Trích dẫn kiểu ChicagoDewey, Melvil. Dewey Decimal Classification and Relative Index. 21st ed. Albany, N.Y.: Forest Press, 1996.
Deismireacht MLADewey, Melvil. Dewey Decimal Classification and Relative Index. 21st ed. Albany, N.Y.: Forest Press, 1996.
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