Loveridge, Denis, author
Routledge, 2009
Buku Teks
Mathur, Kamlesh, author
Prentice-Hall, 1994
Buku Teks
Heymann, Harald O., author
Elsevier , 2013
Buku Teks
Gross, Martin, author
Quintessence Publishing, 2015
Buku Teks
Sethi, Ashok, author
Quintessence, 2012
Buku Teks