Presas i Puig, A. (2008). Reflections on a peripheral Paperclip Project: A technological innovation system in Spain based on the transfer of German technology. Max-Planck-Institut für Wissenschaftsgeschichte.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPresas i Puig, Andreas. Reflections on a Peripheral Paperclip Project: A Technological Innovation System in Spain Based on the Transfer of German Technology. Berlin: Max-Planck-Institut für Wissenschaftsgeschichte, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPresas i Puig, Andreas. Reflections on a Peripheral Paperclip Project: A Technological Innovation System in Spain Based on the Transfer of German Technology. Max-Planck-Institut für Wissenschaftsgeschichte, 2008.
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