Gallatin, A. (1965). The Oregon question. Research Publications.
Lua i Stíl Chicago (17ú heag.)Gallatin, Albert. The Oregon Question. New Haven, Conn.: Research Publications, 1965.
Lua MLA (8ú heag.)Gallatin, Albert. The Oregon Question. Research Publications, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.