Sinclair, U., & Downs, R. B. (1960). The jungle: Upton Sinclair. With an afterw. by Robert B. Downs (20. print.). New American Library.
Citace podle Chicago (17th ed.)Sinclair, Upton, a Robert B. Downs. The Jungle: Upton Sinclair. With an Afterw. by Robert B. Downs. 20. print. New York: New American Library, 1960.
Citace podle MLA (8th ed.)Sinclair, Upton, a Robert B. Downs. The Jungle: Upton Sinclair. With an Afterw. by Robert B. Downs. 20. print. New American Library, 1960.
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