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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.