Parshall, P. (1989). Cross and crescent: Reflections on christian-muslim spirituality. Tyndale house publishers.
Lua i Stíl Chicago (17ú heag.)Parshall, Phil. Cross and Crescent: Reflections on Christian-muslim Spirituality. Illinois: Tyndale house publishers, 1989.
Lua MLA (9ú heag.)Parshall, Phil. Cross and Crescent: Reflections on Christian-muslim Spirituality. Tyndale house publishers, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.