APA (7th ed.) Zitazioa
(1977). Publications of the Institute of History. General history.
Chicago Style (17th ed.) Zitazioa
Publications of the Institute of History. General History. Turku, Finland, 1977.
MLA (9th ed.) Zitazioa
Publications of the Institute of History. General History. 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.