McRobie, G. (1990). Tools for organic farming: A manual of appropiate equipment and treatments. Intermediate Technology.
Citazione stile Chigago Style (17a edizione)McRobie, George. Tools for Organic Farming: A Manual of Appropiate Equipment and Treatments. Londres: Intermediate Technology, 1990.
Citatione MLA (9a ed.)McRobie, George. Tools for Organic Farming: A Manual of Appropiate Equipment and Treatments. Intermediate Technology, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.