Giannini Foundation of Agricultural Economics, Martin, P. L., Goodhue, R. E., & Wright, B. (2020). California agriculture: Dimensions and issues. University of California, Giannini Foundation of Agricultural Economics, Division of Agriculture and Natural Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGiannini Foundation of Agricultural Economics, Philip L. Martin, Rachael E. Goodhue, और Brian Wright. California Agriculture: Dimensions and Issues. Berkeley, California: University of California, Giannini Foundation of Agricultural Economics, Division of Agriculture and Natural Resources, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGiannini Foundation of Agricultural Economics, et al. California Agriculture: Dimensions and Issues. University of California, Giannini Foundation of Agricultural Economics, Division of Agriculture and Natural Resources, 2020.