APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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