Cita APA (7th ed.)

Crystal, D. (2002). Language death (Canto ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Crystal, David. Language Death. Canto ed. Cambridge, UK ; New York, NY: Cambridge University Press, 2002.

Cita MLA (9th ed.)

Crystal, David. Language Death. Canto ed. Cambridge University Press, 2002.