Bestman, M. (2019). The semiotic triangle. Obafemi Awolowo University Press.
Chicago-čujuhus (17. p.)Bestman, M.T. The Semiotic Triangle. Obafemi Awolowo University Press, 2019.
MLA-čujuhus (9. p.)Bestman, M.T. The Semiotic Triangle. Obafemi Awolowo University Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.