Smart, J. D., & J.M. Swanson. A Promise to keep. Westminster Press.
Chicago-čujuhus (17. p.)Smart, James D., juo J.M. Swanson. A Promise to Keep. Philadelphia: Westminster Press.
MLA-čujuhus (9. p.)Smart, James D., juo J.M. Swanson. A Promise to Keep. Westminster Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.