APA-viite (7. p.)

Williams, T. A. (2009). Contemporary Business Statistics (6th ed.). Thomson Higher Education.

Chicago-viite (17. p.)

Williams, Thomas A. Contemporary Business Statistics. 6th ed. USA: Thomson Higher Education, 2009.

MLA-viite (9. p.)

Williams, Thomas A. Contemporary Business Statistics. 6th ed. Thomson Higher Education, 2009.