Sarojini Imran, author
Gramata Publishing, 2016
Buku Teks
Adrian Vickers, author
Faculty of Humanities University of Indonesia, 2019
Artikel Jurnal
Greenwood, Thomas, author
Routledge/Thoemmes Press, 1996
Buku Referensi
Eastern Media, 1979
Buku Teks
Buku Teks