Labarca Angela & Hendrickson, J. M. (1999). Our global village (Second edition.). Harcourt Brace College Publishers.
Chicago Style (17th ed.) ZitazioaLabarca Angela eta James M. Hendrickson. Our Global Village. Second edition. Fort Worth: Harcourt Brace College Publishers, 1999.
MLA (9th ed.) ZitazioaLabarca Angela eta James M. Hendrickson. Our Global Village. Second edition. Harcourt Brace College Publishers, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.