PRESCOTT, L. M., HARLEY, J. P., & KLEIN, D. A. (1999). Microbiology.-- ed.4. McGraw-Hill WCB.

PRESCOTT, Lansing M., John P. HARLEY, and Donald A. KLEIN. Microbiology.-- Ed.4. Boston: McGraw-Hill WCB, 1999.

PRESCOTT, Lansing M., et al. Microbiology.-- Ed.4. McGraw-Hill WCB, 1999.