APA-čujuhus (7. p.)
Perkins, R. (1972). Leader's guide to christian ethics for mordern man (ed.). John knox press.
Chicago-čujuhus (17. p.)
Perkins, Richard. Leader's Guide to Christian Ethics for Mordern Man. ed. Virginia: John knox press, 1972.
MLA-čujuhus (9. p.)
Perkins, Richard. Leader's Guide to Christian Ethics for Mordern Man. ed. John knox press, 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.