APA-referens (7:e uppl.)

Fay, C. R. (1926). Elements of economics: A textbook for secondary schools. Macmillan Co..

Chicago-referens (17:e uppl.)

Fay, Charles Ralph. Elements of Economics: A Textbook for Secondary Schools. New York: Macmillan Co., 1926.

MLA-referens (8:e uppl.)

Fay, Charles Ralph. Elements of Economics: A Textbook for Secondary Schools. Macmillan Co., 1926.