Lua APA (7ú heag.)
Toon, P. (1991). Meditating as a Christian. Collins Religious Division.
Lua i Stíl Chicago (17ú heag.)
Toon, Peter. Meditating as a Christian. Great Britain: Collins Religious Division, 1991.
Lua MLA (9ú heag.)
Toon, Peter. Meditating as a Christian. Collins Religious Division, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.