Countz, S. H. (1965). Productive labour and effective demand; including a critique of Keynesian economics. With an introduction by William J. Blake. Routledge and Kegan Paul.
Chicago Style (17. basım) AtıfCountz, Sydney H. Productive Labour and Effective Demand; Including a Critique of Keynesian Economics. With an Introduction by William J. Blake. London: Routledge and Kegan Paul, 1965.
MLA (9th ed.) AtıfCountz, Sydney H. Productive Labour and Effective Demand; Including a Critique of Keynesian Economics. With an Introduction by William J. Blake. Routledge and Kegan Paul, 1965.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..