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.
Atenció: Aquestes cites poden no estar 100% correctes.