Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.