| Type |  Book |
| ชื่อเรื่อง | Cambridge English IELTS 13 : Academic and General Training with answers |
| ISBN | 9781108450492 (Academic) |
| | 9781108450553 (General Training) |
| | 9781108450676 (CD) |
| พิมพลักษณ์ | [Cambridge : Cambridge University Press, Cambridge English Learning Assessment, 2016 |
| รูปเล่ม | 2 books : illustrations ; 25 cm + 2 CD-Rom |
| หัวเรื่อง | English language --Examinations, questions,etc [] |
| | English language --Textbooks for foreign speakers [] |
| | International english language testing system --Study guides [] |