APA-viite (7. p.)

Nickels, W. G. (1987). Understanding business. Irwin/McGraw-Hill.

Chicago-viite (17. p.)

Nickels, William G. Understanding Business. Boston: Irwin/McGraw-Hill, 1987.

MLA-viite (9. p.)

Nickels, William G. Understanding Business. Irwin/McGraw-Hill, 1987.