Mangiero, Susan M., author
John Wiley & Sons, 2005
Buku Teks
Ayoub, Sherif
Edinburgh University Press, 2014
Buku Teks
Hull, John C., author
Prentice-Hall, 1995
Buku Teks
Hirsa, Alih, editor
Academic Press, 2014
eBooks
edited by Niklas Wagner
CRC Press, Taylor & Francis Group, 2008
Buku Teks