| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Object Services in ABAP | Hardcover | 978-1-59229-339-1 (1-59229-339-5) | 2010 | Christian Assig · Arno Niemietz | |
| Object Services in ABAP | Gebundene Ausgabe | 978-3-8362-1404-9 (3-8362-1404-0) | 2009 | Christian Assig · Arno Niemietz |