Erin Foley. (1995). Culture of the world: El Salvador. Times Books International.
Chicago Style aipamenaErin Foley. Culture of the World: El Salvador. Singapore: Times Books International, 1995.
MLA aipamenaErin Foley. Culture of the World: El Salvador. Times Books International, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.