Παραπομπή σε μορφή APA (7η εκδ.)

linnemann, h., & youseef, m. N. (1965). a multiple-regression analysis of international trade flows its setup, up main results. National Planning Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

linnemann, hans, και marry N. youseef. A Multiple-regression Analysis of International Trade Flows Its Setup, Up Main Results. cairo: National Planning Institute, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

linnemann, hans, και marry N. youseef. A Multiple-regression Analysis of International Trade Flows Its Setup, Up Main Results. National Planning Institute, 1965.