APA-ийн эшлэл(7 дахь хэвлэлт)
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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
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 -ийн эшлэл (9 дэх хэвлэлт)
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.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.