well-formed | ||
valid hyphenation | ||
ISBN-10 | 963-8386-77-0 | 9638386770 |
ISBN-13 | 978-963-8386-77-9 | 9789638386779 |
Agency | Hungary |
well-formed | ||
valid hyphenation | ||
ISBN-10 | 963-9563-43-9 | 9639563439 |
ISBN-13 | 978-963-9563-43-8 | 9789639563438 |
Agency | Hungary |