Herminie Soemitro
University of Indonesia, Faculty of Humanities, 2003
Artikel Jurnal
Wilson, Stan Le Roy
McGraw-Hill, 1995
Buku Teks
Hartley, John
Routledge, 2002
Buku Teks
Vincentia Irmayanti Meliono
Faculty of Humanities University of Indonesia, 2003
Artikel Jurnal
Lull, James
Yayasan Obor Indonesia, 1997
Buku Teks