Smith, R. L. (2007). From strength to strength: Shaping a Black practical theology for the 21st century. P. Lang.
Lua i Stíl Chicago (17ú heag.)Smith, Robert London. From Strength to Strength: Shaping a Black Practical Theology for the 21st Century. New York: P. Lang, 2007.
Lua MLA (9ú heag.)Smith, Robert London. From Strength to Strength: Shaping a Black Practical Theology for the 21st Century. P. Lang, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.