APA (7th ed.) Zitazioa
American Heritage Press. A guide to America's greatest historie places / [por] American Heritage Press.
Chicago Style (17th ed.) Zitazioa
American Heritage Press. A Guide to America's Greatest Historie Places / [por] American Heritage Press.
MLA (9th ed.) Zitazioa
American Heritage Press. A Guide to America's Greatest Historie Places / [por] American Heritage Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.