1. Notes on the interlanguage of comity;Aston,1993
2. Refining the DCT: comparing open questionnaires and dialogue completion tasks;Bardovi-Harlig;Pragmatics and Language Learning,1993
3. Teaching pragmatics,2003
4. Speech acts;Cohen,1996
5. Why can't learners of Japanese as a foreign language distinguish polite from impolite speech styles?;Cook,2001