Παραπομπή σε μορφή APA (7η εκδ.)

SOMMERS, A. T. (1985). Then U. S. Economy Demystified What The Major Economic Statistics Mean And Their Significance For Business Albert T. Sommers. D.C. Heath.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SOMMERS, Albert T. Then U. S. Economy Demystified What The Major Economic Statistics Mean And Their Significance For Business Albert T. Sommers. D.C. Heath, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

SOMMERS, Albert T. Then U. S. Economy Demystified What The Major Economic Statistics Mean And Their Significance For Business Albert T. Sommers. D.C. Heath, 1985.