Citazione Stile APA (7a Edizione)

Singer, H. W. (1982). Technologies for basic needs (Second edition.). International Labour Office.

Citazione stile Chigago Style (17a edizione)

Singer, H. W. Technologies for Basic Needs. Second edition. Geneva: International Labour Office, 1982.

Citatione MLA (8a ed.)

Singer, H. W. Technologies for Basic Needs. Second edition. International Labour Office, 1982.