Wheeler, J. C. (1987). Development Cooperation. OECD.
Lua i Stíl Chicago (17ú heag.)Wheeler, Joseph C. Development Cooperation. Paris: OECD, 1987.
Lua MLA (9ú heag.)Wheeler, Joseph C. Development Cooperation. OECD, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.