APA-viite (7. p.)

Bingham, R. C., & Walstad, W. B. (1987). Economic concepts: A programmed approach. McGraw-Hill, Inc..

Chicago-viite (17. p.)

Bingham, Robert C., ja William B. Walstad. Economic Concepts: A Programmed Approach. New York: McGraw-Hill, Inc., 1987.

MLA-viite (9. p.)

Bingham, Robert C., ja William B. Walstad. Economic Concepts: A Programmed Approach. McGraw-Hill, Inc., 1987.