Enke, S. (1963). Economics for development. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Enke, Stephen. Economics for Development. Englewood Cliff, N.J.: Prentice-Hall, 1963.
Lua MLA (9ú heag.)Enke, Stephen. Economics for Development. Prentice-Hall, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.