World Employment Programme & Ghai, D. P. (1979). Agrarian systems and rural development. Macmillan.
Lua i Stíl Chicago (17ú heag.)World Employment Programme agus Dharam P. Ghai. Agrarian Systems and Rural Development. London: Macmillan, 1979.
Lua MLA (8ú heag.)World Employment Programme agus Dharam P. Ghai. Agrarian Systems and Rural Development. Macmillan, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.