edited by Arthur Cotterell
Oxford Oxford University Press , 1980
Buku Teks
Khine Soe Thaung, editor
Springer, 2012
eBooks
Jones, Graham, author
McGraw-Hill, 1988
Buku Teks
Meadows, A.J., author
Kogan Page, 1982
Buku Referensi
Gordon, Michael, author
Kogan Page, 1984
Buku Referensi