Lua APA (7ú heag.)
Penrose, E. (1995). The theory of the growth of the firm (3rd ed.). Oxford.
Lua i Stíl Chicago (17ú heag.)
Penrose, Edith. The Theory of the Growth of the Firm. 3rd ed. New York: Oxford, 1995.
Lua MLA (9ú heag.)
Penrose, Edith. The Theory of the Growth of the Firm. 3rd ed. Oxford, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.