Cita APA (7a ed.)

Cooper, A. C., Woo, C. Y., & Dunkelberg, W. C. (1989). Entrepreneurship and the initial size of firms. [s.n.].

Cita Chicago Style (17a ed.)

Cooper, Arnold C., Carolyn Y. Woo, y William C. Dunkelberg. Entrepreneurship and the Initial Size of Firms. [S.l.]: [s.n.], 1989.

Cita MLA (9a ed.)

Cooper, Arnold C., et al. Entrepreneurship and the Initial Size of Firms. [s.n.], 1989.