Lua APA (7ú heag.)
Martin, H. (1984). The abiding presence. Zondervan Pub. House.
Lua i Stíl Chicago (17ú heag.)
Martin, Hugh. The Abiding Presence. Grand Rapids: Zondervan Pub. House, 1984.
Lua MLA (9ú heag.)
Martin, Hugh. The Abiding Presence. Zondervan Pub. House, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.