Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Kappler, M., & Sachs, A. (2013). Business Cycle Synchronisation and Economic Integration: New Evidence from the EU. Physica-Verlag HD : Imprint: Physica.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Marcus Kappler, και Andreas Sachs. Business Cycle Synchronisation and Economic Integration: New Evidence from the EU. Heidelberg: Physica-Verlag HD : Imprint: Physica, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Business Cycle Synchronisation and Economic Integration: New Evidence from the EU. Physica-Verlag HD : Imprint: Physica, 2013.