Brems, H. (1959). Output, employment, capital, and growth: A quantitative analysis. Harper.
Παραπομπή σε μορφή Chicago (17η εκδ.)Brems, Hans. Output, Employment, Capital, and Growth: A Quantitative Analysis. New York: Harper, 1959.
Παραπομπή σε μορφή MLA (9th εκδ.)Brems, Hans. Output, Employment, Capital, and Growth: A Quantitative Analysis. Harper, 1959.