Hartmann, P. (2000). Quest: Listening and speaking in the academic work. Boston: McGraw-Hill.
Chicago Style aipamenaHartmann, Pamela. Quest: Listening and Speaking in the Academic Work. Boston: McGraw-Hill, 2000.
MLA aipamenaHartmann, Pamela. Quest: Listening and Speaking in the Academic Work. Boston: McGraw-Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.