APA (7th ed.) Citation

Birg, H. (1984). Demographic aspects of labour market efficiency.

Chicago Style (17th ed.) Citation

Birg, Herwig. Demographic Aspects of Labour Market Efficiency. [Bielefeld], 1984.

MLA (9th ed.) Citation

Birg, Herwig. Demographic Aspects of Labour Market Efficiency. 1984.

Warning: These citations may not always be 100% accurate.