Vihman, Marilyn May, author
Wiley-Blackwell, 2014
Buku Teks
Cambridge University Press, 1994
eBooks
Riswani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
UI - Tesis Membership
Troubetzkoy, N.S.
C. Klincksieck, 1949
Buku Teks
Cambridge University Press, 2005
eBooks