APA
Ball V. E. (., Norton G. W. (., . (2002). Agricultural productivity: Measurement and sources of growth. Boston: Kluwer.
Chicago
Ball V Elton (ed), Norton George W (ed), . 2002. Agricultural productivity: Measurement and sources of growth. Boston: Kluwer.
Harvard
Ball V. E. (., Norton G. W. (., . (2002). Agricultural productivity: Measurement and sources of growth. Boston: Kluwer.
MLA
Ball V Elton (ed), Norton George W (ed), . Agricultural productivity: Measurement and sources of growth. Boston: Kluwer. 2002.