Strand, K. A. (1970). The open gates of heaven: A brief introduction to literary analysis of the book of reveklation. Braun-Brumfield.
Lua i Stíl Chicago (17ú heag.)Strand, Kenneth A. The Open Gates of Heaven: A Brief Introduction to Literary Analysis of the Book of Reveklation. Braun-Brumfield, 1970.
Lua MLA (9ú heag.)Strand, Kenneth A. The Open Gates of Heaven: A Brief Introduction to Literary Analysis of the Book of Reveklation. Braun-Brumfield, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.