Ury, W. L. (2000). The Third Side. Penguin Books.
Chicago-čujuhus (17. p.)Ury, William L. The Third Side. Penguin Books, 2000.
MLA-čujuhus (9. p.)Ury, William L. The Third Side. Penguin Books, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.