1.
|
Thousand Oaks, Calif. : Sage Publications, c1996.
|
2.
|
Lantham, Maryland : Rowman & Littlefield, [2019] ©2019
|
3.
|
New York, NY : Springer Publishing Company, LLC, [2019]
|
4.
|
Bristol : Policy Press, 2019.
|
5.
|
Bristol : Policy Press, 2012.
|
6.
|
New York : Springer Pub., c2000.
|