Lipton, M. (1980). Why Poor People Stay Poor: A Study of Urban Bias in World Development. Heritage.
Dyfyniad Arddull ChicagoLipton, Michael. Why Poor People Stay Poor: A Study of Urban Bias in World Development. New Delhi: Heritage, 1980.
Dyfyniad MLALipton, Michael. Why Poor People Stay Poor: A Study of Urban Bias in World Development. Heritage, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.