Ravelli, L. J., & Ellis, R. A. (2004). Analysing academic writing: Contextualized frameworks (1a. ed.). Continuum.
Chicago Style (17th ed.) ZitazioaRavelli, Luoise J., eta Robert A. Ellis. Analysing Academic Writing: Contextualized Frameworks. 1a. ed. Londres: Continuum, 2004.
MLA (9th ed.) ZitazioaRavelli, Luoise J., eta Robert A. Ellis. Analysing Academic Writing: Contextualized Frameworks. 1a. ed. Continuum, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.