Sebeok, T. A. (1991). A Sign is Just a Sign. Indiana University Press.
Chicago-čujuhus (17. p.)Sebeok, Thomas A. A Sign Is Just a Sign. Bloomington: Indiana University Press, 1991.
MLA-čujuhus (9. p.)Sebeok, Thomas A. A Sign Is Just a Sign. Indiana University Press, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.