APA-viite (7. p.)

Frederick, J. G. (1929). Selling by telephone. Business Bourse Publishers.

Chicago-viite (17. p.)

Frederick, J. George. Selling by Telephone. New York: Business Bourse Publishers, 1929.

MLA-viite (8. p.)

Frederick, J. George. Selling by Telephone. Business Bourse Publishers, 1929.