United Nations Industrial Development Organization, Giersig, F., & Matthews, S. R. (1975). Guidelines for contracting for industrial projects in developing countries. United Nations.
Citación estilo ChicagoUnited Nations Industrial Development Organization, Friedrich Giersig, and Stuart R. Matthews. Guidelines for Contracting for Industrial Projects in Developing Countries. New York: United Nations, 1975.
Cita MLAUnited Nations Industrial Development Organization, Friedrich Giersig, and Stuart R. Matthews. Guidelines for Contracting for Industrial Projects in Developing Countries. New York: United Nations, 1975.
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