Tarner, Margaret, author
Dian Rakyat, 1991
Buku Teks
Hughes, Rebecca, author
Routledge, 1996
Buku Teks
Rahmat Budiman, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2008
UI - Tesis Open
Nesmith, Eleanor Lynn, foreword
Rockport Publishers, 1995
Buku Teks
Murray, Rebecca, author
Sweet & Maxwell , 2012
Buku Teks