NORTON, C. F. (1981). Microbiology. Addison-Wesley.
Cita Chicago (17th ed.)NORTON, Cynthia Friend. Microbiology. Reading, Mass.: Addison-Wesley, 1981.
Cita MLA (9th ed.)NORTON, Cynthia Friend. Microbiology. Addison-Wesley, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.