edited by Oscar Uribe-Villegas
Mouton, 1977
Buku Teks
Khaidir anwar
Khaidir Anwar
Gadjah Mada University Press , 1984
Buku Teks
Wardhaugh, Ronald, author
Blackwell Publishers, 2002
Buku Teks
Holmes, Janet
Longman, 1993
Buku Teks
Aslinda, author
Refika Aditama, 2010
Buku Teks