APA-viite (7. p.)

Willis, J. F. 1., & Fabritius,M.Manfred. (2005). Explorations in macroeconomics (7th ed.). CAT Publishing Co.

Chicago-viite (17. p.)

Willis, James Frederick 1932, ja Fabritius,M.Manfred. Explorations in Macroeconomics. 7th ed. Redding, Calif.: CAT Publishing Co, 2005.

MLA-viite (8. p.)

Willis, James Frederick 1932, ja Fabritius,M.Manfred. Explorations in Macroeconomics. 7th ed. CAT Publishing Co, 2005.