APA-čujuhus (7. p.)
Kreeft, P. (1990). Everything you wanted to know about heaven... but never dreamed of asking (First complete edition.). Ignatius Press.
Chicago-čujuhus (17. p.)
Kreeft, Peter. Everything You Wanted to Know About Heaven... but Never Dreamed of Asking. First complete edition. San Francisco: Ignatius Press, 1990.
MLA-čujuhus (9. p.)
Kreeft, Peter. Everything You Wanted to Know About Heaven... but Never Dreamed of Asking. First complete edition. Ignatius Press, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.