(1991). World atlas for intermediate students. New York: Macmillan/McGraw-Hill.
Chicago Style aipamenaWorld Atlas for Intermediate Students. New York: Macmillan/McGraw-Hill, 1991.
MLA aipamenaWorld Atlas for Intermediate Students. New York: Macmillan/McGraw-Hill, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.