Pritchard, R. (1997). Keep believing: God in the midst of our deepest struggles. Moody Press.
Citazione stile Chigago Style (17a edizione)Pritchard, Ray. Keep Believing: God in the Midst of Our Deepest Struggles. Chicago: Moody Press, 1997.
Citatione MLA (9a ed.)Pritchard, Ray. Keep Believing: God in the Midst of Our Deepest Struggles. Moody Press, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.