Ford Foundation., Landsberg, H. H., & Resources for the Future. (1979). Energy: The next twenty years: report by a study group sponsored by the Ford Foundation and administered by Resources for the Future. Cambridge: Ballinger Publishing Company.
Παραπομπή Chicago StyleFord Foundation., Hans H. Landsberg, and Resources for the Future. Energy: The Next Twenty Years: Report By a Study Group Sponsored By the Ford Foundation and Administered By Resources for the Future. Cambridge: Ballinger Publishing Company, 1979.
Παραπομπή MLAFord Foundation., Hans H. Landsberg, and Resources for the Future. Energy: The Next Twenty Years: Report By a Study Group Sponsored By the Ford Foundation and Administered By Resources for the Future. Cambridge: Ballinger Publishing Company, 1979.