Craig, D. (1989). Like taxes: Marching through Gaul. Scripta Humanistica.
Lua i Stíl Chicago (17ú heag.)Craig, David. Like Taxes: Marching Through Gaul. Potomac, Md., U.S.A.: Scripta Humanistica, 1989.
Lua MLA (9ú heag.)Craig, David. Like Taxes: Marching Through Gaul. Scripta Humanistica, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.