APA-čujuhus (7. p.)
Allen, J. W. (2010). It happened in southern Illinois (Southern Illinois University Press pbk. ed.). Southern Illinois University Press.
Chicago-čujuhus (17. p.)
Allen, John W. It Happened in Southern Illinois. Southern Illinois University Press pbk. ed. Carbondale, Ill.: Southern Illinois University Press, 2010.
MLA-čujuhus (9. p.)
Allen, John W. It Happened in Southern Illinois. Southern Illinois University Press pbk. ed. Southern Illinois University Press, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.