Hull, J. M. (1991). What prevents christian adults from learning? Trinity.
Chicago-čujuhus (17. p.)Hull, John M. What Prevents Christian Adults from Learning? Philadelphia: Trinity, 1991.
MLA-čujuhus (9. p.)Hull, John M. What Prevents Christian Adults from Learning? Trinity, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.