1. Fruit and Vegetable Prices in a Large City
2. Berry, B.J.L. 1967.Geography of Market Centres and Retail Distribution, 85–86. New Jersey: Prentice-Hall.
3. Local Variation in Retail Grocery Prices
4. George, K.D. and Hills, P.V. 1968.Productivity and Capital Expenditure in Retailing, 16–16. University of Cambridge, Department of Applied Economics. Occasional Papers,