Caballero, R. J., & Engel, E. M. (1998). Nonlinear aggregate investment dynamics: Theory and evidence. National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Caballero, Ricardo J., agus Eduardo M.R.A Engel. Nonlinear Aggregate Investment Dynamics: Theory and Evidence. Cambride: National Bureau of Economic Research, 1998.
Lua MLA (9ú heag.)Caballero, Ricardo J., agus Eduardo M.R.A Engel. Nonlinear Aggregate Investment Dynamics: Theory and Evidence. National Bureau of Economic Research, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.