Silverman, David, author
Buku Teks
Silverman, David, author
Sage Publications , 2010
Buku Teks
Silverman, David, author
Sage , 2013
Buku Teks
Magnusson, Eva, author
Cambridge University Press, 2015
eBooks
Silverman, David, author
Sage, 2000
Buku Teks