●   Keis S,Shaheen R,Jones DT (2001). Emended descriptions of Clostridium acetobutylicum and Clostridium beijerinckii, and descriptions of Clostridium saccharoperbutylacetonicum sp. nov. and Clostridium saccharobutylicum sp. nov. Int. J. Syst. Evol. Microbiol. 51, 2095-103.
●   NG H,VAUGHN RH (1963). CLOSTRIDIUM RUBRUM SP. N. AND OTHER PECTINOLYTIC CLOSTRIDIA FROM SOIL. J. Bacteriol. 85, 1104-13.
●   Donker HJL (1926). Bijdrage tot de kennis der boterzuur-butylalcohlen acetongistingen. Edition: , Delft, Holland: W. D. Meinema.
●   Cato EP,George WL,Finegold SM (1986). Genus Clostridium Prazmowski 1880, 23AL. In Bergey's Manual of Systematic Bacteriology,Edition: 1, pp. 1141-1200. Edited by Sneath PHA,Mair NS,Sharpe ME,Holt JG. Baltimore: The Williams & Wilkins Co..