SINGER, H. (1964). International development; growth and change. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)SINGER, H.W. International Development; Growth and Change. New York: McGraw-Hill, 1964.
Lua MLA (9ú heag.)SINGER, H.W. International Development; Growth and Change. McGraw-Hill, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.