Warmington, E. H. (1928). The commerce between the Roman empire and India. University Press.
Lua i Stíl Chicago (17ú heag.)Warmington, E. H. The Commerce Between the Roman Empire and India. Cambridge: University Press, 1928.
Lua MLA (8ú heag.)Warmington, E. H. The Commerce Between the Roman Empire and India. University Press, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.