APA-referens (7:e uppl.)

Keefe, R. (2000). Theories of vagueness. Cambridge University Press.

Chicago-referens (17:e uppl.)

Keefe, Rosanna. Theories of Vagueness. Cambridge, UK ; New York: Cambridge University Press, 2000.

MLA-referens (9:e uppl.)

Keefe, Rosanna. Theories of Vagueness. Cambridge University Press, 2000.