| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| I can sing in English Spiewaj i poznaj kluczowe slowa po angielsku | 978-83-7561-395-7 (83-7561-395-9) | 2014 |
| I can sing in english - Terrence Clark-Ward + | 978-83-7561-563-0 (83-7561-563-3) | 2015 |
C. W. · C. Ward · Clark W · T. C. · T. Clark · T W · T. Ward