APA-viite (7. p.)

Spencer, M. H., & Amos, O. M. (1993). Contemporary microeconomics (8th ed.). Worth Publishers.

Chicago-viite (17. p.)

Spencer, Milton H., ja Orley M. Amos. Contemporary Microeconomics. 8th ed. New York, N.Y.: Worth Publishers, 1993.

MLA-viite (8. p.)

Spencer, Milton H., ja Orley M. Amos. Contemporary Microeconomics. 8th ed. Worth Publishers, 1993.