APA (7e ed.) Bronvermelding
Nelson, W. (2007). On the clean road again: Biodiesel and the future of the family farm. Fulcrum Pub..
Chicago (17e ed.) Bronvermelding
Nelson, Willie. On the Clean Road Again: Biodiesel and the Future of the Family Farm. Golden, Colo.: Fulcrum Pub., 2007.
MLA (9e ed.) Bronvermelding
Nelson, Willie. On the Clean Road Again: Biodiesel and the Future of the Family Farm. Fulcrum Pub., 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.