एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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