Jaludin Chuchu, author
Universiti Kebangsaan Malaysia, 2000
Buku Teks
Katamba, Francis, author
Macmillan, 1994
Buku Teks
Hendon, Rufus S.
Department of Anthropology Yale University, 1966
Buku Teks
Aronoff, Mark, author
Blackwell, 2005
Buku Teks
Andrew Spencer, Arnold M. Zwicky
Blacwell, 2001
Buku Teks