APA
Heertje A. (., Mark P. (., . (1990). Evolving technology and market structure: Studies in Schumpe. Ann Arbor: Uni of Michigan Pr.
Chicago
Heertje Arnold (ed), Mark Perlman (ed), . 1990. Evolving technology and market structure: Studies in Schumpe. Ann Arbor: Uni of Michigan Pr.
Harvard
Heertje A. (., Mark P. (., . (1990). Evolving technology and market structure: Studies in Schumpe. Ann Arbor: Uni of Michigan Pr.
MLA
Heertje Arnold (ed), Mark Perlman (ed), . Evolving technology and market structure: Studies in Schumpe. Ann Arbor: Uni of Michigan Pr. 1990.