Evans, V., & Dooley, J. (2018). Upstream C2: Student's book (7η έκδ.). Expess publishing.
Chicago Style (17th ed.) CitationEvans, Virginia, and Jenny Dooley. Upstream C2: Student's Book. 7η έκδ. Newbury: Expess publishing, 2018.
MLA (8th ed.) CitationEvans, Virginia, and Jenny Dooley. Upstream C2: Student's Book. 7η έκδ. Expess publishing, 2018.
Warning: These citations may not always be 100% accurate.