Harley, J. P. (2011). Laboratory exercises in microbiology (8th ed.). McGraw-Hill/Higher Education.

Harley, John P. Laboratory Exercises in Microbiology. 8th ed. Boston: McGraw-Hill/Higher Education, 2011.

Harley, John P. Laboratory Exercises in Microbiology. 8th ed. McGraw-Hill/Higher Education, 2011.