Judith Tanka. (2002). Interaction; T1: Listening/speaking. New York: McGraw-Hill.
Chicago Style aipamenaJudith Tanka. Interaction; T1: Listening/speaking. New York: McGraw-Hill, 2002.
MLA aipamenaJudith Tanka. Interaction; T1: Listening/speaking. New York: McGraw-Hill, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.