Borko H. (1979). Dewey decimal classification and relative index (19.). Forest Press.
Chicago Edition CitationBorko H. Dewey Decimal Classification and Relative Index. 19. London: Forest Press, 1979.
MLA Edition CitationBorko H. Dewey Decimal Classification and Relative Index. 19. Forest Press, 1979.
Warning: These citations may not always be 100% accurate.