New frontiers in entrepreneurship : recognizing, seizing, and executing opportunities / ed. D. B. Audretsch, 2010 r=on-line. - Текст : электронный.
convergence of international and domestic markets : Proc.of the workshop on the convergence of international and domestic markets and policy responces in Europe,Japan, and US.,Dec.17-18,1987,Brussels / ed. D. B. Audretsch, 1989. - XI, 317 p. 317 p. - Текст : непосредственный.