Mubarak, Saleh, author
Pearson-Prentice Hall, 2005
Buku Teks
Gibson, Roger, author
Routledge, 2007
Buku Teks
Yellamraju, Vijaya, author
McGraw-Hill, 2011
Buku Teks
Cooke, Robert, author
Wiley-blackwell, 2009
Buku Teks
Portman, Jackie, author
Wiley-Blackwell, 2014
Buku Teks