1.
|
Abingdon, Oxon ; New York : Routledge, 2012.
|
2.
|
Amsterdam : Hogeschool van Amsterdam, 2012.
|
3.
|
New York : Nova Science Publishers, c2011.
|
4.
|
[Dubai, United Arab Emirates] : Bentham eBooks, [2012]
|
5.
|
Prague : Karolinum Press, [2014] ©2014
|
6.
|
Abingdon, Oxon ; New York : Routledge, 2012.
|
7.
|
Washington, DC : National Academy Press, 1992.
|
8.
|
Washington, D.C. : National Academy Press, 1998.
|
9.
|
New York : The Academy, 1963.
|