Baumol, W. J., & Wolff, E. N. (1985). Three fundamental productivity concepts: Principles and measurement. C.V. Starr Center for Applied Economics, New York University, Faculty of Arts and Science, Dept. of Economics.
Chicago-Zitierstil (17. Ausg.)Baumol, William J., und Edward N. Wolff. Three Fundamental Productivity Concepts: Principles and Measurement. New York, N.Y: C.V. Starr Center for Applied Economics, New York University, Faculty of Arts and Science, Dept. of Economics, 1985.
MLA-Zitierstil (9. Ausg.)Baumol, William J., und Edward N. Wolff. Three Fundamental Productivity Concepts: Principles and Measurement. C.V. Starr Center for Applied Economics, New York University, Faculty of Arts and Science, Dept. of Economics, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.