Hans Hagerdal, author
University of Indonesia, Faculty of Humanities, 2012
Artikel Jurnal
Crowley, Tony, author
Routledge, 1996
Buku Teks
Imam Suyitno, author
University of Indonesia, Faculty of Humanities, 2007
Artikel Jurnal
Routledge, 1992
Buku Teks
Tetel, Julie, 1950-, author
John Wiley & Sons, 2016
Buku Teks