Citazione Stile APA (7a Edizione)

Lydall, H. (1977). Unemployment in developing countries. International Labour Office.

Citazione stile Chigago Style (17a edizione)

Lydall, Harold. Unemployment in Developing Countries. Geneva: International Labour Office, 1977.

Citatione MLA (9a ed.)

Lydall, Harold. Unemployment in Developing Countries. International Labour Office, 1977.