Standing, G., & Szal, R. (1979). Poverty and basic needs: Evidence from Guyana and the Philippines. International Labour Office.
Lua i Stíl Chicago (17ú heag.)Standing, Guy, agus Richard Szal. Poverty and Basic Needs: Evidence from Guyana and the Philippines. Geneva: International Labour Office, 1979.
Lua MLA (8ú heag.)Standing, Guy, agus Richard Szal. Poverty and Basic Needs: Evidence from Guyana and the Philippines. International Labour Office, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.