Tài liệu tham khảo WikiPedia: Commentarii de bello Gallico //www.worldcat.org/oclc/1068338850 https://books.google.de/books?id=EB1tDwAAQBAJ https://books.google.de/books?id=tGBGAQAAMAAJ https://catalogue.bnf.fr/ark:/12148/cb120992063 https://data.bnf.fr/ark:/12148/cb120992063 https://www.idref.fr/02739526X https://id.loc.gov/authorities/names/n80008532 https://d-nb.info/gnd/4201260-0 https://librivox.org/search?title=Commentaries+on+... https://viaf.org/viaf/316867971
