Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Audretsch, D., Thurik, R., Verheul, I., & Wennekers, S. (2002). Entrepreneurship: Determinants and Policy in a European-US Comparison. Springer US.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), David Audretsch, Roy Thurik, Ingrid Verheul, και Sander Wennekers. Entrepreneurship: Determinants and Policy in a European-US Comparison. Boston, MA: Springer US, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Entrepreneurship: Determinants and Policy in a European-US Comparison. Springer US, 2002.