August, Diane
Center for Applied Linguistics, 2006
Multimedia
Diane August edited by
Lawrence Erlbaum Associates, Publishers, 2006
Buku Teks
Miller, Wilma H., author
New York, 2000
Buku Teks
Chandos, 2013
eBooks
Palmer, Barbara C., author
Allyn and Bacon, 1994
Buku Teks