Luoma, S. (2004). Assessing speaking (1a. ed.). Cambridge University.
Chicago Style (17th ed.) ZitazioaLuoma, Sari. Assessing Speaking. 1a. ed. Cambridge: Cambridge University, 2004.
MLA (9th ed.) ZitazioaLuoma, Sari. Assessing Speaking. 1a. ed. Cambridge University, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.