APA (7th ed.) Zitazioa

35 days to Gettysburg Diary Entries. Great Neck Publishing.

Chicago Style (17th ed.) Zitazioa

35 Days to Gettysburg Diary Entries. Great Neck Publishing.

MLA (9th ed.) Zitazioa

35 Days to Gettysburg Diary Entries. Great Neck Publishing.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.