Tuttle, R. G. (1989). Mysticism in the Wesleyan tradition. F. Asbury Press.
Lua i Stíl Chicago (17ú heag.)Tuttle, Robert G. Mysticism in the Wesleyan Tradition. Grand Rapids, Mich.: F. Asbury Press, 1989.
Lua MLA (8ú heag.)Tuttle, Robert G. Mysticism in the Wesleyan Tradition. F. Asbury Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.