Cita APA (7a ed.)

Audretsch, D. B., & Fritsch, M. (1999). The industry component of regional new firm formation processes. [s.n.].

Cita Chicago Style (17a ed.)

Audretsch, David B., y Michael Fritsch. The Industry Component of Regional New Firm Formation Processes. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Audretsch, David B., y Michael Fritsch. The Industry Component of Regional New Firm Formation Processes. [s.n.], 1999.