APA aipamena

Ferrett, S. K. (2006). Peak performance: Success in college and beyond. Boston: McGraw-Hill.

Chicago Style aipamena

Ferrett, Sharon K. Peak Performance: Success in College and Beyond. Boston: McGraw-Hill, 2006.

MLA aipamena

Ferrett, Sharon K. Peak Performance: Success in College and Beyond. Boston: McGraw-Hill, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.