Caballero, R. J., & Engel, E. M. (1998). Nonlinear aggregate investment dynamics: Theory and evidence. National Bureau of Economic Research.
Čikaški stil citiranja (17. izdanje)Caballero, Ricardo J., i Eduardo M.R.A Engel. Nonlinear Aggregate Investment Dynamics: Theory and Evidence. Cambride: National Bureau of Economic Research, 1998.
MLA način citiranja (9. izdanje)Caballero, Ricardo J., i Eduardo M.R.A Engel. Nonlinear Aggregate Investment Dynamics: Theory and Evidence. National Bureau of Economic Research, 1998.
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