Rujukan Leptospira

  1. ↑ "leptospirosis". American Heritage Dictionary of the English Language: Fourth Edition. Bartleby.com. 2000. Dicapai 13 Mei 2007. 
  2. ↑ Ryan KJ; Ray CG (penyunting) (2004). Sherris Medical Microbiology (edisi 4). McGraw Hill. ISBN 0-8385-8529-9. 
  3. ↑ Stimson AM (1907). "Note on an organism found in yellow-fever tissue." Public Health Reports 22:541.