Hill,Berkeley. (1987). Economics for agriculture: Food, farming and the rural economy. Mac Millan Education Ltd.
استشهاد بنمط شيكاغوHill,Berkeley. Economics for Agriculture: Food, Farming and the Rural Economy. London: Mac Millan Education Ltd, 1987.
MLA استشهادHill,Berkeley. Economics for Agriculture: Food, Farming and the Rural Economy. Mac Millan Education Ltd, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.