Marshall, I. H. (1974). Kept by the power of God: A study of perseverance and falling away ([2d ed.].). Bethany Fellowship.
Citazione stile Chigago Style (17a edizione)Marshall, Ian Howard. Kept by the Power of God: A Study of Perseverance and Falling Away. [2d ed.]. Minneapolis: Bethany Fellowship, 1974.
Citatione MLA (8a ed.)Marshall, Ian Howard. Kept by the Power of God: A Study of Perseverance and Falling Away. [2d ed.]. Bethany Fellowship, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.