(2006). Prayer: Does it make any difference? / Philip Yancey.
Chicago-čujuhus (17. p.)Prayer: Does It Make Any Difference? / Philip Yancey. 2006.
MLA-čujuhus (9. p.)Prayer: Does It Make Any Difference? / Philip Yancey. 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.