Evans V. Virginia & Edwards L. Lynda. (2004). Upstream Advanced: Key. Workbook Student's Book. Newbury, Express Publishing, 2004.
Chicago-Zitierstil (17. Ausg.)Evans V. Virginia und Edwards L. Lynda. Upstream Advanced: Key. Workbook Student's Book. Newbury, Express Publishing, 2004, 2004.
MLA-Zitierstil (9. Ausg.)Evans V. Virginia und Edwards L. Lynda. Upstream Advanced: Key. Workbook Student's Book. Newbury, Express Publishing, 2004, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.