Silalahi, Ivo Novita S BR, author
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2018
UI - Tesis (Membership)
Carnie, Andrew, 1969-, author
Wiley-Blackwell, 2013
Buku Teks
Kaplan, Jeffrey P., author
Prentice Hall International, 1995
Buku Teks
Botha, Rudolf P.
The Hague Mouton 1968
Buku Teks
Lapoliwa, Hans, translator
Dept. of Linguistics, Research School of Pacific Studies, Australian National University, 1981
Buku Klasik