Παραπομπή σε μορφή APA (7η εκδ.)

Wessel, R. (1963). Statistics as applied to eco. business. Holt Rinehart.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wessel, R. Statistics as Applied to Eco. Business. New York: Holt Rinehart, 1963.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wessel, R. Statistics as Applied to Eco. Business. Holt Rinehart, 1963.