APA (7th ed.) Zitazioa
Richardson, B. (2008). Leading by example: How we can inspire an energy and security revolution. Wiley.
Chicago Style (17th ed.) Zitazioa
Richardson, Bill. Leading by Example: How We Can Inspire an Energy and Security Revolution. Hoboken, N.J.: Wiley, 2008.
MLA (9th ed.) Zitazioa
Richardson, Bill. Leading by Example: How We Can Inspire an Energy and Security Revolution. Wiley, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.