APA (7th ed.) Zitazioa
ebrary, Inc, & Schier, S. E. (2011). Transforming America: Barack Obama in the White House. Rowman & Littlefield Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Steven E. Schier. Transforming America: Barack Obama in the White House. Lanham, MD: Rowman & Littlefield Publishers, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Steven E. Schier. Transforming America: Barack Obama in the White House. Rowman & Littlefield Publishers, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.