(2001). Annual Editions: Human development 2001-2002 (29th ed.). McGraw-Hill.
Chicago Style (17th ed.) ZitazioaAnnual Editions: Human Development 2001-2002. 29th ed. Connecticut: McGraw-Hill, 2001.
MLA (9th ed.) ZitazioaAnnual Editions: Human Development 2001-2002. 29th ed. McGraw-Hill, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.