Gammidge, M., & Wetz, B. (2003). Adventures: Workbook : Pre - Intermediate. Oxford: Oxford Univ. Press.
Chicago Style aipamenaGammidge, Mick, và Ben Wetz. Adventures: Workbook : Pre - Intermediate. Oxford: Oxford Univ. Press, 2003.
MLA aipamenaGammidge, Mick, và Ben Wetz. Adventures: Workbook : Pre - Intermediate. Oxford: Oxford Univ. Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.