Ranganathan S. R. (1967). Prolegomena to library classification (3rd ed.).
Chicago Edition CitationRanganathan S. R. Prolegomena to Library Classification. 3rd ed. 1967.
Cita MLARanganathan S. R. Prolegomena to Library Classification. 3rd ed. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.