Nerfin, M. (1977). Another development: Approaches and strategies. The Dag Hammarskjold Foundation.
Lua i Stíl Chicago (17ú heag.)Nerfin, Marc. Another Development: Approaches and Strategies. Uppsala: The Dag Hammarskjold Foundation, 1977.
Lua MLA (9ú heag.)Nerfin, Marc. Another Development: Approaches and Strategies. The Dag Hammarskjold Foundation, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.