Meyer, Heinrich August Wilhelm (1880). Commentary on the New Testament. Romans 4. Translation by Peter Christie from Meyer's sixth edition. Accessed February 14, 2019.
Rückert, L. I., Commentary on Romans, 1831, referred to by Meyer in his NT Commentary on Romans 4, accessed 10 September 2016
Hill 2007, p. 1084. Hill, Craig C. (2007). "64. Romans". In Barton, John; Muddiman, John (eds.). The Oxford Bible Commentary (first (paperback) ed.). Oxford University Press. pp. 1083–1108. ISBN978-0199277186. Retrieved February 6, 2019.
Donaldson, Terence L. (2007). "63. Introduction to the Pauline Corpus". In Barton, John; Muddiman, John (eds.). The Oxford Bible Commentary (first (paperback) ed.). Oxford University Press. p. 1077. ISBN978-0199277186.
Hill 2007, p. 1093. Hill, Craig C. (2007). "64. Romans". In Barton, John; Muddiman, John (eds.). The Oxford Bible Commentary (first (paperback) ed.). Oxford University Press. pp. 1083–1108. ISBN978-0199277186. Retrieved February 6, 2019.
