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APA-viiteInternational Labour Office. (1950). Freedom of association and conditions of work in Venezuela: Report of the Mission of the International Labour Office 22 July - 1 September 1949. International Labour Office.
Chicago-tyylinen lähdeviittausInternational Labour Office. Freedom of Association and Conditions of Work in Venezuela: Report of the Mission of the International Labour Office 22 July - 1 September 1949. Geneva: International Labour Office, 1950.
MLA-viiteInternational Labour Office. Freedom of Association and Conditions of Work in Venezuela: Report of the Mission of the International Labour Office 22 July - 1 September 1949. International Labour Office, 1950.
Harvard-tyylinen lähdeviittausInternational Labour Office. 1950. Freedom of association and conditions of work in Venezuela: Report of the Mission of the International Labour Office 22 July - 1 September 1949. Geneva: International Labour Office.