Oshima, A. (2008). Writing Academic English - Third edition. Trẻ.
Chicago Style aipamenaOshima, Alice. Writing Academic English - Third Edition. Trẻ, 2008.
MLA aipamenaOshima, Alice. Writing Academic English - Third Edition. Trẻ, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.