International Labour Office. (1972). Technology for Freedom: Man in His Environment. Geneva: International Labour Office.
استشهاد بنمط شيكاغوInternational Labour Office. Technology for Freedom: Man in His Environment. Geneva: International Labour Office, 1972.
MLA استشهادInternational Labour Office. Technology for Freedom: Man in His Environment. Geneva: International Labour Office, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.