Wilkinson, R. G. (1973). Poverty and progress: An ecological model of economic development. Methuen.
Citazione stile Chigago Style (17a edizione)Wilkinson, Richard G. Poverty and Progress: An Ecological Model of Economic Development. London: Methuen, 1973.
Citatione MLA (9a ed.)Wilkinson, Richard G. Poverty and Progress: An Ecological Model of Economic Development. Methuen, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.