APA-viite (7. p.)

Douglas, E. J. (1979). Managerial economics: Theory, practice, and problems. Prentice-Hall.

Chicago-viite (17. p.)

Douglas, Evan J. Managerial Economics: Theory, Practice, and Problems. Englewood Cliffs, N.J.: Prentice-Hall, 1979.

MLA-viite (8. p.)

Douglas, Evan J. Managerial Economics: Theory, Practice, and Problems. Prentice-Hall, 1979.