Skinner, R. D. (1938). Debt system or property system? Paulist Press.
Lua i Stíl Chicago (17ú heag.)Skinner, Richard Dana. Debt System or Property System? New York, NY: Paulist Press, 1938.
Lua MLA (8ú heag.)Skinner, Richard Dana. Debt System or Property System? Paulist Press, 1938.
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