Παραπομπή σε μορφή APA (7η εκδ.)

Spulber, N., & Horowitz, I. (1976). Quantitative economic policy and planning: Theory and models of economic control. Norton.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spulber, Nicolas, και Ira Horowitz. Quantitative Economic Policy and Planning: Theory and Models of Economic Control. New York: Norton, 1976.

Παραπομπή σε μορφή MLA (9th εκδ.)

Spulber, Nicolas, και Ira Horowitz. Quantitative Economic Policy and Planning: Theory and Models of Economic Control. Norton, 1976.