Sabadini, Irene, editor
Springer, 2012
eBooks
Johnson, Carol, author
Allen and Unwin, 1989
Buku Teks
Zainah Anwar, author
Yayasan Mohamed Noah; Petaling Jaya, Selangor, Malaysia , 2011
Buku Referensi
Bailey, Cyril, author
Oxford University Press, 1951
Buku Teks
Mann, Leon
Sydney John Wiley & Sons 1969,
Buku Teks