APA استشهاد

Keeble, D. E., & Wever, E. E. (1986). New firms and regional development in Europe.

استشهاد بنمط شيكاغو

Keeble, David; Ed, و Egbert; Ed Wever. New Firms and Regional Development in Europe. London, Croom Helm, 1986.

MLA استشهاد

Keeble, David; Ed, و Egbert; Ed Wever. New Firms and Regional Development in Europe. 1986.