CIRP International Design Seminar Enschede, Netherlands, Kals, H., & Houten, F. v. (1999). Integration of process knowledge into design support systems: Proceedings of the 1999 CIRP International Design Seminar, University of Twelve, Enschede, The Netherlands, 24-26 March, 1999. Kluwer Academic Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)CIRP International Design Seminar Enschede, Netherlands, Hubert Kals, και Fred van Houten. Integration of Process Knowledge into Design Support Systems: Proceedings of the 1999 CIRP International Design Seminar, University of Twelve, Enschede, The Netherlands, 24-26 March, 1999. Dordrecht: Kluwer Academic Publishers, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)CIRP International Design Seminar Enschede, Netherlands, et al. Integration of Process Knowledge into Design Support Systems: Proceedings of the 1999 CIRP International Design Seminar, University of Twelve, Enschede, The Netherlands, 24-26 March, 1999. Kluwer Academic Publishers, 1999.