Laila Rahmawati, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2009
UI - Tesis (Open)
Artikel Jurnal
Morton, Leslie T. (Leslie Thomas), 1907-, editor
Clive Bingley, 1990
Buku Teks
Swales, John M., author
The University of Michigan Press, 2004
Buku Teks
Kreps, Juanita M., author
Wilson, 1955
Buku Teks