APA-čujuhus (7. p.)
Boehm, J., & Brettel, M. (2008). Entrepreneurial orientation in academia. Gabler.
Chicago-čujuhus (17. p.)
Boehm, Jan, juo Malte Brettel. Entrepreneurial Orientation in Academia. Wiesbaden: Gabler, 2008.
MLA-čujuhus (9. p.)
Boehm, Jan, juo Malte Brettel. Entrepreneurial Orientation in Academia. Gabler, 2008.
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