Seavoy, R. E. (2000). Subsistence and economic development. Praeger.
Lua i Stíl Chicago (17ú heag.)Seavoy, Ronald E. Subsistence and Economic Development. Westport, Conn.: Praeger, 2000.
Lua MLA (9ú heag.)Seavoy, Ronald E. Subsistence and Economic Development. Praeger, 2000.
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