APA-viite (7. p.)

COSTELLO, S. J. (1994). Effective performance management. Business One IRWIN.

Chicago-viite (17. p.)

COSTELLO, Sheila J. Effective Performance Management. Illinois: Business One IRWIN, 1994.

MLA-viite (9. p.)

COSTELLO, Sheila J. Effective Performance Management. Business One IRWIN, 1994.