APA (7th ed.) Zitazioa
Guarino, A. C. (2007). Smart is not enough!: The South Pole theory and other powerful talent management secrets. John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Guarino, Alan C. Smart Is Not Enough!: The South Pole Theory and Other Powerful Talent Management Secrets. Hoboken, N.J.: John Wiley & Sons, 2007.
MLA (9th ed.) Zitazioa
Guarino, Alan C. Smart Is Not Enough!: The South Pole Theory and Other Powerful Talent Management Secrets. John Wiley & Sons, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.