APA-viite (7. p.)

Gemmill, P. F. (1949). Fundamentals of economics (5th ed.). Harper.

Chicago-viite (17. p.)

Gemmill, Paul F. Fundamentals of Economics. 5th ed. New York: Harper, 1949.

MLA-viite (9. p.)

Gemmill, Paul F. Fundamentals of Economics. 5th ed. Harper, 1949.