Merrell, Kenneth W., author
Routledge, 2007
Buku Teks
Huberty, Thomas J., author
Springer, 2012
eBooks
Kirsh, Steven J., author
Sage, 2006
Buku Teks
Kim, Daniel H., author
Saunders Elsevier, 2008
Buku Teks
Litchman, Charisse, editor
Springer Science , 2012
eBooks