Παραπομπή APA

(1985). Directory of industrial information services and systems in developing countries. [s.l.]: United Nations Industrial Development Organization.

Παραπομπή Chicago Style

Directory of Industrial Information Services and Systems in Developing Countries. [s.l.]: United Nations Industrial Development Organization, 1985.

Παραπομπή MLA

Directory of Industrial Information Services and Systems in Developing Countries. [s.l.]: United Nations Industrial Development Organization, 1985.

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