APA (7th ed.) Zitazioa

(2015). Opposing viewpoints in context Gale Firm. [electronic resource].

Chicago Style (17th ed.) Zitazioa

Opposing Viewpoints in Context Gale Firm. [electronic Resource]. 2015.

MLA (9th ed.) Zitazioa

Opposing Viewpoints in Context Gale Firm. [electronic Resource]. 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.