APA引文

Sehgal, J. M. (1986). An introduction to techniques of population and labour force projections. International Labour Office.

芝加哥风格引文

Sehgal, Jag Mohan. An Introduction to Techniques of Population and Labour Force Projections. Geneva: International Labour Office, 1986.

MLA引文

Sehgal, Jag Mohan. An Introduction to Techniques of Population and Labour Force Projections. International Labour Office, 1986.

警告:这些引文格式不一定是100%准确.