APA-referens (7:e uppl.)

Douglas, E. J. (1987). Managerial economics: Analysis and strategy (3rd ed.). Prentice-Hall.

Chicago-referens (17:e uppl.)

Douglas, Evan J. Managerial Economics: Analysis and Strategy. 3rd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1987.

MLA-referens (9:e uppl.)

Douglas, Evan J. Managerial Economics: Analysis and Strategy. 3rd ed. Prentice-Hall, 1987.