Lua APA (7ú heag.)
Christensen, J. W. (2012). Two views of the future: The case for a christian response to our environment crisis. GOES-8.
Lua i Stíl Chicago (17ú heag.)
Christensen, John W. Two Views of the Future: The Case for a Christian Response to Our Environment Crisis. North Charleston, SC: GOES-8, 2012.
Lua MLA (9ú heag.)
Christensen, John W. Two Views of the Future: The Case for a Christian Response to Our Environment Crisis. GOES-8, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.