Carruthers, I. (1985). Tools for agriculture: A buyer's guide to low cost agricultural implements (3rd ed.). Intermediate Technology Publications Ltd.
Chicago-Zitierstil (17. Ausg.)Carruthers, Ian. Tools for Agriculture: A Buyer's Guide to Low Cost Agricultural Implements. 3rd ed. London: Intermediate Technology Publications Ltd, 1985.
MLA-Zitierstil (8. Ausg.)Carruthers, Ian. Tools for Agriculture: A Buyer's Guide to Low Cost Agricultural Implements. 3rd ed. Intermediate Technology Publications Ltd, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.