Ministry of Education & Human Resources Development,
Majalah, Jurnal, Buletin
edited by Susan Higgins, Meta Brett
Longman, 1984
Buku Referensi
Shinano new video library,
Multimedia
Brereton, Pat, author
Continuum, 2005
Buku Teks
Blakemore, Sarah-Jayne, author
Blackwell, 2006
Buku Teks