Nayyar, G. (2009). The Demand for Services in India. A Mirror Image of Engel's Law for Food? Department of Economics (University of Oxford).
Lua i Stíl Chicago (17ú heag.)Nayyar, G. The Demand for Services in India. A Mirror Image of Engel's Law for Food? Department of Economics (University of Oxford), 2009.
Lua MLA (9ú heag.)Nayyar, G. The Demand for Services in India. A Mirror Image of Engel's Law for Food? Department of Economics (University of Oxford), 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.