Lach, S., & Schankerman, M. (1987). The interaction between capital investment and R&D in science-based firms. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Lach, Saul, und Mark Schankerman. The Interaction Between Capital Investment and R&D in Science-based Firms. Cambridge, Mass: National Bureau of Economic Research, 1987.
MLA-Zitierstil (9. Ausg.)Lach, Saul, und Mark Schankerman. The Interaction Between Capital Investment and R&D in Science-based Firms. National Bureau of Economic Research, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.