International Labour Office. (1973). Population and labour: A popular account of the implications of rapid population growth for the training, employment and welfare of workers.
Chicago-referens (17:e uppl.)International Labour Office. Population and Labour: A Popular Account of the Implications of Rapid Population Growth for the Training, Employment and Welfare of Workers. Geneva, 1973.
MLA-referens (9:e uppl.)International Labour Office. Population and Labour: A Popular Account of the Implications of Rapid Population Growth for the Training, Employment and Welfare of Workers. 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.