APA (7e ed.) Bronvermelding

USDA & Economic research service. (2001). Agri-environment polisy at the crossroads: Guideposts on a changing landscape; agricultural economic report No794.

Chicago (17e ed.) Bronvermelding

USDA en Economic research service. Agri-environment Polisy at the Crossroads: Guideposts on a Changing Landscape; Agricultural Economic Report No794. 2001.

MLA (9e ed.) Bronvermelding

USDA en Economic research service. Agri-environment Polisy at the Crossroads: Guideposts on a Changing Landscape; Agricultural Economic Report No794. 2001.

Let op: Deze citaties zijn niet altijd 100% accuraat.