1.
|
Champaign, Ill. : Research Press, c1987.
|
2.
|
Maidenhead : Open University Press, c2007.
|
3.
|
Maidenhead, England ; New York : Open University Press, 2005.
|
4.
|
Warsaw, [Poland] ; Berlin, [Germany] : De Gruyter Open, 2015. ©2015
|
5.
|
Maidenhead : Open University Press, 2004.
|
6.
|
Hoboken, N.J. : John Wiley & Sons, Inc., 2013.
|
7.
|
Maidenhead : Open University Press, 2004.
|
8.
|
New Brunswick, U.S.A. : Transaction Publishers, c1989.
|
9.
|
New York, [New York] (222 East 46th Street, New York, NY 10017) : Momentum Press, 2015.
|
10.
|
Cham : Springer International Publishing, 2016.
|