Lloyd, W. F. (1968). Lectures on population, value, poor-laws, and rent: Delivered in the University of Oxford during the years 1832, 1833, 1834, 1835 & 1836. A. M. Kelley.
Lua i Stíl Chicago (17ú heag.)Lloyd, William Forster. Lectures on Population, Value, Poor-laws, and Rent: Delivered in the University of Oxford During the Years 1832, 1833, 1834, 1835 & 1836. New York: A. M. Kelley, 1968.
Lua MLA (8ú heag.)Lloyd, William Forster. Lectures on Population, Value, Poor-laws, and Rent: Delivered in the University of Oxford During the Years 1832, 1833, 1834, 1835 & 1836. A. M. Kelley, 1968.
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