Dr.-Ing. Paul Christiani GmbH & Co. KG. (2014). Task book CNC technology, turning as per PAL: 15 programming exercises for the PAL programming system (1st edition.). Christiani.
Chicago-Zitierstil (17. Ausg.)Dr.-Ing. Paul Christiani GmbH & Co. KG. Task Book CNC Technology, Turning as Per PAL: 15 Programming Exercises for the PAL Programming System. 1st edition. Konstanz: Christiani, 2014.
MLA-Zitierstil (9. Ausg.)Dr.-Ing. Paul Christiani GmbH & Co. KG. Task Book CNC Technology, Turning as Per PAL: 15 Programming Exercises for the PAL Programming System. 1st edition. Christiani, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.