APA aipamena

IE Business Cases. Viajes Nobel 2007: In Search of the Future. [s.n.].

Chicago Style aipamena

IE Business Cases. Viajes Nobel 2007: In Search of the Future. [S.l.]: [s.n.].

MLA aipamena

IE Business Cases. Viajes Nobel 2007: In Search of the Future. [s.n.].

Kontuz: berrikusi erreferentzia hauek erabili aurretik.