Tortora, G. J., Funke,B.R, & Case,C. L. (2016). Microbiology: An Introduction (11th ed.). Pearson.

Tortora, Gerard J., Funke,B.R, and Case,C. L. Microbiology: An Introduction. 11th ed. New York: Pearson, 2016.

Tortora, Gerard J., et al. Microbiology: An Introduction. 11th ed. Pearson, 2016.