Beisner, E. C. (1988). Prosperity and Poverty. Crossway.
Lua i Stíl Chicago (17ú heag.)Beisner, E. Calvin. Prosperity and Poverty. Weschester: Crossway, 1988.
Lua MLA (9ú heag.)Beisner, E. Calvin. Prosperity and Poverty. Crossway, 1988.
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