APA (7 वां संस्करण) प्रशस्ति पत्र

Urquhart, B., & Childers, E. (1990). A world in need of leadership: Tomorrow's United Nations. Dag Hammarskjöld Foundation ; Ford Foundation [distributor].

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Urquhart, Brian, और Erskine Childers. A World in Need of Leadership: Tomorrow's United Nations. Uppsala, Sweden : New York, NY, USA: Dag Hammarskjöld Foundation ; Ford Foundation [distributor], 1990.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Urquhart, Brian, और Erskine Childers. A World in Need of Leadership: Tomorrow's United Nations. Dag Hammarskjöld Foundation ; Ford Foundation [distributor], 1990.