Frame, J. (1992). Improved grassland management (1st edition.). Farming Press.
Cita Chicago Style (17a ed.)Frame, John. Improved Grassland Management. 1st edition. New York: Farming Press, 1992.
Cita MLA (8a ed.)Frame, John. Improved Grassland Management. 1st edition. Farming Press, 1992.
Precaución: Estas citas no son 100% exactas.