Spiezia, V. (2012). ICT investments and productivity: Measuring the contribution of ICTS to growth. OECD Publishing. https://doi.org/10.1787/eco_studies-2012-5k8xdhj4tv0t
Chicago-Zitierstil (17. Ausg.)Spiezia, Vincenzo. ICT Investments and Productivity: Measuring the Contribution of ICTS to Growth. Paris: OECD Publishing, 2012. https://doi.org/10.1787/eco_studies-2012-5k8xdhj4tv0t.
MLA-Zitierstil (9. Ausg.)Spiezia, Vincenzo. ICT Investments and Productivity: Measuring the Contribution of ICTS to Growth. OECD Publishing, 2012. https://doi.org/10.1787/eco_studies-2012-5k8xdhj4tv0t.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.