By Singal, Vijay.. Oxford : Oxford University Press, 2006 . xxiv, 350 p. : , Previous ed.: 2004. 24 cm.. 9780195304220 (pbk.) | 0195304225 (pbk.)
]]>By Preve, Lorenzo A.. New York : Oxford University Press, 2010 . xi, 160 p. : 25 cm.. 9780199737413
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