Zinsser, H., & Smith, D. T. (1948). Textbook of bacteriology ; the appplication of bacteriology and immunology to the diagnosis, specific therapy and prevention of infectious diseases for students and practitioners of medicine and public health (9th ed.). Appleton-Century-Crofts.

Zinsser, Hans, and David T. Smith. Textbook of Bacteriology ; the Appplication of Bacteriology and Immunology to the Diagnosis, Specific Therapy and Prevention of Infectious Diseases for Students and Practitioners of Medicine and Public Health. 9th ed. New York: Appleton-Century-Crofts, 1948.

Zinsser, Hans, and David T. Smith. Textbook of Bacteriology ; the Appplication of Bacteriology and Immunology to the Diagnosis, Specific Therapy and Prevention of Infectious Diseases for Students and Practitioners of Medicine and Public Health. 9th ed. Appleton-Century-Crofts, 1948.