Gaya APA
Crystal, David. (2000).
Language Death .
Cambrige:
Cambridge University Press.
Gaya Chicago
Crystal, David.
Language Death.
Cambrige:
Cambridge University Press,
2000.
BUKU NON FIKSI.
Gaya MLA
Crystal, David.
Language Death.
Cambrige:
Cambridge University Press,
2000.
BUKU NON FIKSI.
Gaya Turabian
Crystal, David.
Language Death.
Cambrige:
Cambridge University Press,
2000.
BUKU NON FIKSI.