Ridder, M. (2007). Roots of change: Nebraska's new agriculture. University of Nebraska Press.
Style de citation Chicago (17e éd.)Ridder, Mary. Roots of Change: Nebraska's New Agriculture. Lincoln: University of Nebraska Press, 2007.
Style de citation MLA (8e éd.)Ridder, Mary. Roots of Change: Nebraska's New Agriculture. University of Nebraska Press, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.