APA-referens (7:e uppl.)

Spencer, M. H. (1977). Contemporary microeconomics (3rd ed.). Worth.

Chicago-referens (17:e uppl.)

Spencer, Milton H. Contemporary Microeconomics. 3rd ed. New York: Worth, 1977.

MLA-referens (9:e uppl.)

Spencer, Milton H. Contemporary Microeconomics. 3rd ed. Worth, 1977.