एपीए उद्धरण

United Nations. (1973). New UNESCO course book for science teaching. Oxford & IBH.

शिकागो स्टाइल उद्धरण

United Nations. New UNESCO Course Book for Science Teaching. New Delhi: Oxford & IBH, 1973.

एमएलए उद्धरण

United Nations. New UNESCO Course Book for Science Teaching. Oxford & IBH, 1973.