Whitlock, R. (1978). Thinking about rural development. Lutterworth Press.
Lua i Stíl Chicago (17ú heag.)Whitlock, Ralph. Thinking About Rural Development. Guildford [etc.]: Lutterworth Press, 1978.
Lua MLA (8ú heag.)Whitlock, Ralph. Thinking About Rural Development. Lutterworth Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.