<citation type="book" xml:id="ecca12020-cit-1001"><bookTitle>Product Variety and the Gains from International Trade</bookTitle>. By <editor><givenNames>Robert C.</givenNames> <familyName>Feenstra</familyName></editor>. <publisherName>MIT Press</publisherName>, <publisherLoc>Cambridge, MA</publisherLoc>. <pubYear year="2010">2010</pubYear>. <pageFirst>133</pageFirst> pp. £20.95.</citation>