| Type |  Book |
| ชื่อเรื่อง | Speak now : communicate with confidance workbook |
| ISBN | 9780194030533 |
| | 9780194030533 v.2 |
| | 9780194030540 v.3 |
| | 9780194030557 |
| | 9780194030557 v.4 |
| พิมพลักษณ์ | New York : Oxford University Press, 2017 |
| รูปเล่ม | 3 volume (84, 85, 88 pages) ; 30 cm |
| หัวเรื่อง | English language --Conversation and phrase books [] |
| | English language --Study and teaching as a second language [] |
| | English language --Study and teaching --Foreign speakers [] |
| | English language --Study and teaching --Foreign students [] |