Exploring the dynamics of second language writing
Barbara Kroll, editor
Cambridge University Press, 2003
 Buku Teks
Feedback in second language writing; contexts and issues
edited by Ken Hyland, Fiona Hyland
Cambridge University Press , 2006
 Buku Teks
Kroll, B.
Second Language Writing Research Insights for the Classroom Barbara Kroll
Cambridge University Press, 1990
 Buku Teks
Second language writing : research insights for the classroom / edited, Barbara Kroll
Cambridge University Press, 1990
 Buku Teks
Robinson, Lois
Guided writing and free writing: a text in composition for english as a second language / Lois Robinson
Harper & Row , 1967
 Buku Teks