well-formed | ||
valid hyphenation | ||
ISBN-10 | 954-446-761-0 | 9544467610 |
ISBN-13 | 978-954-446-761-6 | 9789544467616 |
Agency | Bulgaria |
well-formed | ||
valid hyphenation | ||
ISBN-10 | 1-78110-537-5 | 1781105375 |
ISBN-13 | 978-1-78110-537-5 | 9781781105375 |
Agency | English language |