Cita APA (7a ed.)
Hager, C. (2008). Growing energy on the farm. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
Hager, Claus-Peter. Growing Energy on the Farm. Technical Centre for Agricultural and Rural Cooperation, 2008.
Cita MLA (9a ed.)
Hager, Claus-Peter. Growing Energy on the Farm. Technical Centre for Agricultural and Rural Cooperation, 2008.
Precaución: Estas citas no son 100% exactas.