Belcher, D. (1997), An argument of non-adverbial argumentation: The feminist critique of academic discourse to L2 writing pedagogy. Journal of Second Language Writing, 6, 21.
Cadman, K. (1997). Thesis writing for international students: A question of identity? English for specific purposes, 16, 3- 14.
Elbow, P. (1994), Landmark essays on voice and writing, CA: Hermagoras Press.
Fox, H. (1994). Listening to the World: Cultural issues in academic writing, Urbara Illinois: National Council of Teachers of English.
Hamp- Lyons, L. (1990). Second language writing: Assessment issues. In B. Kroll, Second language writing: Research insights for the classroom (PP. 67- 68). Cambridge: Cambridge University Press.
Hyland, K. (2008). Metadiscourse: Exploring Interaction in Writing. London: Continum.
Ivanic, R., & Camps, .D (2001), Writing and Identity: The Discoursal Construction of Identity in Academic Writing. Journal of Second Language Writing 10, 1-2:3-33.
Kaplan, R. (1987). Cultural thought patterns. Writing across languages: Analysis of L2 tests, pp.9- 21.
Matsuda, P.K. (2001). Voice in Japanese writers discourse: Implications for second language writing. Journal of Second language writing, 10, 35- 53.
Stapleton, P. (2002). Critiquing voice as a viable pedagogical tool in writing: Returning the spotlight to ideas. Journal of Second Language Writing, 11, 177-190.
Tang, R., & John, S. (1999). The “I” identity: Exploring writer identity in student academic writing through the first person pronoun. English for Specific Purposes, 18, 23-39.
Zhao, C. G., Liosa, L. (2008). Voice in high-stakes L1 academic writing assessment: Implications for L2 writing instruction. Assessing writing, 13 (3), 153-170.