Keefe, R. (2000). Theories of vagueness. Cambridge University Press.
Chicago-čujuhus (17. p.)Keefe, Rosanna. Theories of Vagueness. Cambridge, UK ; New York: Cambridge University Press, 2000.
MLA-čujuhus (9. p.)Keefe, Rosanna. Theories of Vagueness. Cambridge University Press, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.