APA (7th ed.) Zitazioa
ebrary, Inc. (2008). The Hutchinson chronology of world history (2nd compact ed.). Helicon Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. The Hutchinson Chronology of World History. 2nd compact ed. Abingdon: Helicon Pub., 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc. The Hutchinson Chronology of World History. 2nd compact ed. Helicon Pub., 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.