APA-čujuhus (7. p.)
Graham, B. (1975). Angels: God's secret agents. Doubleday.
Chicago-čujuhus (17. p.)
Graham, Billy. Angels: God's Secret Agents. Garden City, N.Y.: Doubleday, 1975.
MLA-čujuhus (9. p.)
Graham, Billy. Angels: God's Secret Agents. Doubleday, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.