Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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