Keilbach, M., Tamvada, J. P., & Audretsch, D. B. (2009). Sustaining Entrepreneurship and Economic Growth: Lessons in Policy and Industry Innovations from Germany and India. Springer New York. https://doi.org/10.1007/978-0-387-78695-7
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Keilbach, Max, Jagannadha Pawan Tamvada, و David B. Audretsch. Sustaining Entrepreneurship and Economic Growth: Lessons in Policy and Industry Innovations from Germany and India. New York, NY: Springer New York, 2009. https://doi.org/10.1007/978-0-387-78695-7.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Keilbach, Max, et al. Sustaining Entrepreneurship and Economic Growth: Lessons in Policy and Industry Innovations from Germany and India. Springer New York, 2009. https://doi.org/10.1007/978-0-387-78695-7.
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