APA aipamena

John R.Hale. (1966). Age of exploration. Time Life International.

Chicago Style aipamena

John R.Hale. Age of Exploration. [S.l.]: Time Life International, 1966.

MLA aipamena

John R.Hale. Age of Exploration. Time Life International, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.