Debono, E. (1978). lateral Thinking. Penguine books.
Chicago-čujuhus (17. p.)Debono, Edward. Lateral Thinking. Bew York: Penguine books, 1978.
MLA-čujuhus (9. p.)Debono, Edward. Lateral Thinking. Penguine books, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.