APA-viite (7. p.)

Ferrett, S. K. (2010). Peak performance: Success in college and beyond (7th ed.). McGraw-Hill.

Chicago-viite (17. p.)

Ferrett, Sharon K. Peak Performance: Success in College and Beyond. 7th ed. New York, NY: McGraw-Hill, 2010.

MLA-viite (8. p.)

Ferrett, Sharon K. Peak Performance: Success in College and Beyond. 7th ed. McGraw-Hill, 2010.