Levy, H. (1968). Monopolies, cartels, and trusts in British industry (1st English ed. reprinted.). A. M. Kelley.
Lua i Stíl Chicago (17ú heag.)Levy, Hermann. Monopolies, Cartels, and Trusts in British Industry. 1st English ed. reprinted. New York: A. M. Kelley, 1968.
Lua MLA (9ú heag.)Levy, Hermann. Monopolies, Cartels, and Trusts in British Industry. 1st English ed. reprinted. A. M. Kelley, 1968.
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