APA

Audretsch D. B., Keilbach M. C. & Lehmann E. E. (2006). Entrepreneurship and economic growth. New York: Oxford University.

Chicago

Audretsch David B, Keilbach Max C and Lehmann Erik E. 2006. Entrepreneurship and economic growth. New York: Oxford University.

Harvard

Audretsch D. B., Keilbach M. C. and Lehmann E. E. (2006). Entrepreneurship and economic growth. New York: Oxford University.

MLA

Audretsch David B, Keilbach Max C and Lehmann Erik E. Entrepreneurship and economic growth. New York: Oxford University. 2006.