United Nations Industrial Development Organization. (1979). Appropriate industrial technology for low-cost transport for rural areas. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Industrial Development Organization. Appropriate Industrial Technology for Low-cost Transport for Rural Areas. New York: United Nations, 1979.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Industrial Development Organization. Appropriate Industrial Technology for Low-cost Transport for Rural Areas. United Nations, 1979.
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