Lua APA (7ú heag.)
Josephson, M. (1962). The robber barons: The great American capitalists, 1861-1901. Harcourt Brace & Co..
Lua i Stíl Chicago (17ú heag.)
Josephson, Matthew. The Robber Barons: The Great American Capitalists, 1861-1901. San Diego: Harcourt Brace & Co., 1962.
Lua MLA (9ú heag.)
Josephson, Matthew. The Robber Barons: The Great American Capitalists, 1861-1901. Harcourt Brace & Co., 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.