Voyage C1. Student's Book + Workbook+ Oxford Online Skills Program C1 (Bundle 1) Pack with Key - Bartram, Mark; Pickering, Kate: 9780190527082 - AbeBooks
Oxford EAP: Advanced/C1: Teacher's Book, DVD and Audio CD Pack | Waterstones
New Headway: Advanced C1: Student's Book with iTutor and Oxford Online Skills: The world's most trusted English course - Anonyme: 9780194713337 - AbeBooks