APA (7 वां संस्करण) प्रशस्ति पत्र
Kramer, J. (2011). Multinational enterprises in regional innovation processes: Empirical insights into intangible assets, open innovation and firm embeddedness in regional innovation systems in Europe. Peter Lang.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Kramer, Jan-Philipp. Multinational Enterprises in Regional Innovation Processes: Empirical Insights into Intangible Assets, Open Innovation and Firm Embeddedness in Regional Innovation Systems in Europe. Frankfurt am Main: Peter Lang, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Kramer, Jan-Philipp. Multinational Enterprises in Regional Innovation Processes: Empirical Insights into Intangible Assets, Open Innovation and Firm Embeddedness in Regional Innovation Systems in Europe. Peter Lang, 2011.
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