Dyfyniad APA

Singer, H. (1977). Technologies for basic needs. Geneva: International Labour Office.

Dyfyniad Arddull Chicago

Singer, Hans. Technologies for Basic Needs. Geneva: International Labour Office, 1977.

Dyfyniad MLA

Singer, Hans. Technologies for Basic Needs. Geneva: International Labour Office, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.