United Nations. Environment Programme. (1979). Man in his working environment : a workers' educational manual: A workers' educational manual. International Labour Office.
Chicago Style (17th ed.) CitationUnited Nations. Environment Programme. Man in His Working Environment : A Workers' Educational Manual: A Workers' Educational Manual. International Labour Office, 1979.
MLA (9th ed.) CitationUnited Nations. Environment Programme. Man in His Working Environment : A Workers' Educational Manual: A Workers' Educational Manual. International Labour Office, 1979.
Warning: These citations may not always be 100% accurate.