Sherman, J. (1994). Feedback: Essential writing skills for intermediate students. Oxford University.
Chicago Style (17th ed.) ZitazioaSherman, Jane. Feedback: Essential Writing Skills for Intermediate Students. Oxford: Oxford University, 1994.
MLA (9th ed.) ZitazioaSherman, Jane. Feedback: Essential Writing Skills for Intermediate Students. Oxford University, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.