Παραπομπή σε μορφή APA (7η εκδ.)

SOMMER, A. T. The U.S. economy demysfified#what the major economic statistics mean and their significanse for business#Albert T. Sommer. Lexington Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SOMMER, Albert T. The U.S. Economy Demysfified#what the Major Economic Statistics Mean and Their Significanse for Business#Albert T. Sommer. Lexington Books.

Παραπομπή σε μορφή MLA (8th εκδ.)

SOMMER, Albert T. The U.S. Economy Demysfified#what the Major Economic Statistics Mean and Their Significanse for Business#Albert T. Sommer. Lexington Books.