APA (7th ed.) Zitazioa
Pineo, R. F. (2007). Ecuador and the United States: Useful strangers. University of Georgia Press.
Chicago Style (17th ed.) Zitazioa
Pineo, Ronn F. Ecuador and the United States: Useful Strangers. Athens: University of Georgia Press, 2007.
MLA (9th ed.) Zitazioa
Pineo, Ronn F. Ecuador and the United States: Useful Strangers. University of Georgia Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.