International Federation for Documentation. Fédération Internationale de Documentation, Coates, E., Lloyd, G., & Šimandl, D. (1978). BSO: Broad system of ordering : schedule and index (3d revision.). Paris: The Hague.
Chicago Style CitationInternational Federation for Documentation. Fédération Internationale de Documentation, Eric Coates, Geoffrey Lloyd, and Dušan Šimandl. BSO: Broad System of Ordering : Schedule and Index. 3d revision. Paris: The Hague, 1978.
MLA CitationInternational Federation for Documentation. Fédération Internationale de Documentation, Eric Coates, Geoffrey Lloyd, and Dušan Šimandl. BSO: Broad System of Ordering : Schedule and Index. 3d revision. Paris: The Hague, 1978.
Warning: These citations may not always be 100% accurate.