Hartman, W. J. (1987). Five audiences: Identifying groups in your church. Abingdon.
Chicago-čujuhus (17. p.)Hartman, Warren J. Five Audiences: Identifying Groups in Your Church. Nashville: Abingdon, 1987.
MLA-čujuhus (9. p.)Hartman, Warren J. Five Audiences: Identifying Groups in Your Church. Abingdon, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.