Martin, R. P. (1979). Mark: Evangelist and Theologian. The Paternoster Press.
Lua i Stíl Chicago (17ú heag.)Martin, Ralph P. Mark: Evangelist and Theologian. The Paternoster Press, 1979.
Lua MLA (8ú heag.)Martin, Ralph P. Mark: Evangelist and Theologian. The Paternoster Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.