International Labor Office. (1986). Economically active population estimates and projections, 1950-2025: Evaluations et projections de la population active, 1950-2025 ([3rd ed.].). International Labour Office.
Citace podle Chicago (17th ed.)International Labor Office. Economically Active Population Estimates and Projections, 1950-2025: Evaluations Et Projections De La Population Active, 1950-2025. [3rd ed.]. Geneva: International Labour Office, 1986.
Citace podle MLA (9th ed.)International Labor Office. Economically Active Population Estimates and Projections, 1950-2025: Evaluations Et Projections De La Population Active, 1950-2025. [3rd ed.]. International Labour Office, 1986.
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