U. S. Employment Service & United States. Agency for International Development. (1963). Demographic techniques for manpower planning in developing countries. Dept. of State, Agency for International Development, Communications Resources Division].
Παραπομπή σε μορφή Chicago (17η εκδ.)U. S. Employment Service και United States. Agency for International Development. Demographic Techniques for Manpower Planning in Developing Countries. [Washington: Dept. of State, Agency for International Development, Communications Resources Division], 1963.
Παραπομπή σε μορφή MLA (9th εκδ.)U. S. Employment Service και United States. Agency for International Development. Demographic Techniques for Manpower Planning in Developing Countries. Dept. of State, Agency for International Development, Communications Resources Division], 1963.