APA-čujuhus (7. p.)
Barker, J. A. (1992). Future edge: Discovering the new paradigms of success. W. Morrow.
Chicago-čujuhus (17. p.)
Barker, Joel Arthur. Future Edge: Discovering the New Paradigms of Success. New York: W. Morrow, 1992.
MLA-čujuhus (9. p.)
Barker, Joel Arthur. Future Edge: Discovering the New Paradigms of Success. W. Morrow, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.