Lua APA (7ú heag.)
Unger, M. F. (1968). The haunting of Bishop Pike: A Christian view of the other side. Tyndale House publishers.
Lua i Stíl Chicago (17ú heag.)
Unger, Merrill F. The Haunting of Bishop Pike: A Christian View of the Other Side. Wheaton: Tyndale House publishers, 1968.
Lua MLA (9ú heag.)
Unger, Merrill F. The Haunting of Bishop Pike: A Christian View of the Other Side. Tyndale House publishers, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.