Blackman, S. A., & Baumol, W. J. (1986). A century of productivity improvement: Revolution in the American standard of living. C.V. Starr Center for Applied Economics, New York University, Faculty of Arts and Science, Department of Economics.
Chicago-Zitierstil (17. Ausg.)Blackman, Sue A., und William J. Baumol. A Century of Productivity Improvement: Revolution in the American Standard of Living. New York, N.Y: C.V. Starr Center for Applied Economics, New York University, Faculty of Arts and Science, Department of Economics, 1986.
MLA-Zitierstil (9. Ausg.)Blackman, Sue A., und William J. Baumol. A Century of Productivity Improvement: Revolution in the American Standard of Living. C.V. Starr Center for Applied Economics, New York University, Faculty of Arts and Science, Department of Economics, 1986.