APA-viite (7. p.)

Kroenke, D. (1990). Business computer systems: An introduction (4th ed.). McGraw- Hill.

Chicago-viite (17. p.)

Kroenke, David. Business Computer Systems: An Introduction. 4th ed. New York: McGraw- Hill, 1990.

MLA-viite (9. p.)

Kroenke, David. Business Computer Systems: An Introduction. 4th ed. McGraw- Hill, 1990.