Edizal
Kayu Pasak, 2001
Buku Referensi
Lalitia Apsari
2018
UI - Tesis Membership
by Byron W. Bender ... [and others]
Departent of linguistics University of Hawaii, 1970
Buku Teks SO
Washington : Georgetown University Press
Majalah, Jurnal, Buletin
Harris, Zellig S.
D. Reidel , 1970
Buku Teks SO