SpringerLink (Online service), Nijkamp, P., & Siedschlag, I. (2011). Innovation, Growth and Competitiveness: Dynamic Regions in the Knowledge-Based World Economy. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Peter Nijkamp, και Iulia Siedschlag. Innovation, Growth and Competitiveness: Dynamic Regions in the Knowledge-Based World Economy. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Innovation, Growth and Competitiveness: Dynamic Regions in the Knowledge-Based World Economy. Springer Berlin Heidelberg : Imprint: Springer, 2011.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.