Leki, Ilona         A synthesis of research on second language writing in English / Ilona Leki, Alister Cumming, Tony Silva . – New York : Routledge, 2008         xi, 259 p. ; 23 cm         ISBN9780815349815 : 995.00         1. English language – Study and teaching – Foreign speakers.         1. English language – Composition and exercises – Study and teaching – Foreign speakers.         1. Second language acquisition.         I. Cumming, Alister H.        I. Silva, Tony