International Labour Office. (1977). Social and labour practices of multinational enterprises in the petroleum industry. International Labour Office.
Cita Chicago (17th ed.)International Labour Office. Social and Labour Practices of Multinational Enterprises in the Petroleum Industry. Geneva: International Labour Office, 1977.
Cita MLA (9th ed.)International Labour Office. Social and Labour Practices of Multinational Enterprises in the Petroleum Industry. International Labour Office, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.