Bloomfield, Molly M., author
John Wiley & Sons, 1996
Buku Teks
Wiley-VCH, 2006
eBooks
Beard, Daniel A., author
Cambridge University Press, 2012
Buku Teks
Cambridge University Press , 2018
Majalah, Jurnal, Buletin
Cambridge University Press , 2018
Majalah, Jurnal, Buletin