Hill,Berkeley. (1987). Economics for agriculture: Food, farming and the rural economy. Mac Millan Education Ltd.
Chicago Style aipamenaHill,Berkeley. Economics for Agriculture: Food, Farming and the Rural Economy. London: Mac Millan Education Ltd, 1987.
MLA aipamenaHill,Berkeley. Economics for Agriculture: Food, Farming and the Rural Economy. Mac Millan Education Ltd, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.