Παραπομπή σε μορφή APA (7η εκδ.)

Audretsch, D. B., & Welfens, P. J. J. (2002). The new Economy and economic growth in Europe and the US. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Audretsch, David B., και Paul J. J. Welfens. The New Economy and Economic Growth in Europe and the US. Berlin , New York: Springer, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Audretsch, David B., και Paul J. J. Welfens. The New Economy and Economic Growth in Europe and the US. Springer, 2002.