(1995). Study abroad 1996-1997. United Nations Educational, Scientific and Cultural organization.
Cita Chicago (17th ed.)Study Abroad 1996-1997. Paris: United Nations Educational, Scientific and Cultural organization, 1995.
Cita MLA (9th ed.)Study Abroad 1996-1997. United Nations Educational, Scientific and Cultural organization, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.