Lua APA (7ú heag.)

Spaey, J. (1971). Science for development. Unesco.

Lua i Stíl Chicago (17ú heag.)

Spaey, Jacques. Science for Development. U.S: Unesco, 1971.

Lua MLA (9ú heag.)

Spaey, Jacques. Science for Development. Unesco, 1971.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.