APA-viite (7. p.)
ebrary, Inc, Baumol, W. J., Nelson, R. R., & Wolff, E. N. (1994). Convergence of productivity: Cross-national studies and historical evidence. Oxford Unviersity Press.
Chicago-viite (17. p.)
ebrary, Inc, William J. Baumol, Richard R. Nelson, ja Edward N. Wolff. Convergence of Productivity: Cross-national Studies and Historical Evidence. New York: Oxford Unviersity Press, 1994.
MLA-viite (9. p.)
ebrary, Inc, et al. Convergence of Productivity: Cross-national Studies and Historical Evidence. Oxford Unviersity Press, 1994.
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