Cita APA (7th ed.)

Great Britain. Public Health Laboratory Service, Roberts, C., Snell, J. J. S., & Farrell, I. D. (1991). Quality control: Principles and practice in the microbiology laboratory. Public Health Laboratory Service.

Cita Chicago (17th ed.)

Great Britain. Public Health Laboratory Service, C. Roberts, J. J. S. Snell, i I. D. Farrell. Quality Control: Principles and Practice in the Microbiology Laboratory. London: Public Health Laboratory Service, 1991.

Cita MLA (8th ed.)

Great Britain. Public Health Laboratory Service, et al. Quality Control: Principles and Practice in the Microbiology Laboratory. Public Health Laboratory Service, 1991.