APA (7th ed.) Zitazioa
Heffernan, M. (2014). A bigger prize: How we can do better than the competition. PublicAffairs.
Chicago Style (17th ed.) Zitazioa
Heffernan, Margaret. A Bigger Prize: How We Can Do Better than the Competition. New York: PublicAffairs, 2014.
MLA (9th ed.) Zitazioa
Heffernan, Margaret. A Bigger Prize: How We Can Do Better than the Competition. PublicAffairs, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.