Cuff, T. (2005). The hidden cost of economic development: The biological standard of living in antebellum Pennsylvania. Ashgate.
Lua i Stíl Chicago (17ú heag.)Cuff, Timothy. The Hidden Cost of Economic Development: The Biological Standard of Living in Antebellum Pennsylvania. Hampshire, England: Ashgate, 2005.
Lua MLA (8ú heag.)Cuff, Timothy. The Hidden Cost of Economic Development: The Biological Standard of Living in Antebellum Pennsylvania. Ashgate, 2005.
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