APA-viite (7. p.)

Boyes,William, & Melvin, M. (2003). Principles of economics (NA.). Cengage Learning.

Chicago-viite (17. p.)

Boyes,William, ja Michael Melvin. Principles of Economics. NA. Australia: Cengage Learning, 2003.

MLA-viite (9. p.)

Boyes,William, ja Michael Melvin. Principles of Economics. NA. Cengage Learning, 2003.