YOTIS, W. W., & FRIEDMAN, H. (2001). Appleton and lange's review of microbiology and immuno-logy.-- ed.4. Appleton and Lange's Reviews/McGraw-Hill.

YOTIS, William W., and Herman FRIEDMAN. Appleton and Lange's Review of Microbiology and Immuno-logy.-- Ed.4. New York: Appleton and Lange's Reviews/McGraw-Hill, 2001.

YOTIS, William W., and Herman FRIEDMAN. Appleton and Lange's Review of Microbiology and Immuno-logy.-- Ed.4. Appleton and Lange's Reviews/McGraw-Hill, 2001.