1.
|
New York : Cambridge University Press, 2010.
HQ1236.5.U6 G444 2010 |
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|
2.
|
Thousand Oaks, California : SAGE Publications, 1997. ©1997
|
3.
|
Cambridge ; New York : Cambridge University Press, 2005.
HQ1236.5.U6 L38 2005 |
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|
4.
|
New York, New York : Oxford University Press, 2015. ©2015
|
5.
|
Oxford ; New York : Oxford University Press, [2015]
HQ799.9.P6 L38 2015 |
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|
6.
|
New York : Cambridge University Press, 2012.
|