United Nations. Industrial Development Organization, Vienna. (1970). Directory of external sources of financing available for industrial projects in developing countries. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations. Industrial Development Organization, Vienna. Directory of External Sources of Financing Available for Industrial Projects in Developing Countries. New York: United Nations, 1970.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations. Industrial Development Organization, Vienna. Directory of External Sources of Financing Available for Industrial Projects in Developing Countries. United Nations, 1970.
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