Παραπομπή σε μορφή APA (7η εκδ.)

Dreger, C., & Schumacher, C. (2002). Estimating large-scale factor models for economic activity in Germany: Do they outperform simpler models ?

Παραπομπή σε μορφή Chicago (17η εκδ.)

Dreger, Christian, και Christian Schumacher. Estimating Large-scale Factor Models for Economic Activity in Germany: Do They Outperform Simpler Models ? Hamburg, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Dreger, Christian, και Christian Schumacher. Estimating Large-scale Factor Models for Economic Activity in Germany: Do They Outperform Simpler Models ? 2002.