| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Objective Proficiency Student's Book with Answers with Downloadable Software | 978-1-107-64637-7 (1-107-64637-5) | 2013 |
| Objective Proficiency Student's Book without answers with Downloadable Software | 978-1-107-61116-0 (1-107-61116-4) | 2013 |
A.C. · Annette Capel · s. a. · S.C. · Sharp A · W.A. · W.A.C. · W.C. · W. Capel · W.S. · W. Sharp · Wendy Sharp