APA aipamena

(1997). World atlas for intermediate students. New York: McGraw-Hill.

Chicago Style aipamena

World Atlas for Intermediate Students. New York: McGraw-Hill, 1997.

MLA aipamena

World Atlas for Intermediate Students. New York: McGraw-Hill, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.