Sobel, R. (1970). The curbstone brokers: The origins of the American Stock Exchange. Macmillan [u.a.].
Lua i Stíl Chicago (17ú heag.)Sobel, Robert. The Curbstone Brokers: The Origins of the American Stock Exchange. New York [u.a.]: Macmillan [u.a.], 1970.
Lua MLA (8ú heag.)Sobel, Robert. The Curbstone Brokers: The Origins of the American Stock Exchange. Macmillan [u.a.], 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.