Van Ginneken, W. (1988). Trends in employment and labour incomes: Case studies on developing countries. International Labour Office.
Lua i Stíl Chicago (17ú heag.)Van Ginneken, Wouter. Trends in Employment and Labour Incomes: Case Studies on Developing Countries. Geneva: International Labour Office, 1988.
Lua MLA (9ú heag.)Van Ginneken, Wouter. Trends in Employment and Labour Incomes: Case Studies on Developing Countries. International Labour Office, 1988.
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