APA-referens (7:e uppl.)

Alexander, M. (1977). Introduction to soil microbiology (2nd ed.). Wiley.

Chicago-referens (17:e uppl.)

Alexander, Martin. Introduction to Soil Microbiology. 2nd ed. New York: Wiley, 1977.

MLA-referens (9:e uppl.)

Alexander, Martin. Introduction to Soil Microbiology. 2nd ed. Wiley, 1977.