| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 960-453-492-0 | 9604534920 |
| ISBN-13 | 978-960-453-492-0 | 9789604534920 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-2179-6 | 6180121796 |
| ISBN-13 | 978-618-01-2179-7 | 9786180121797 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |