Não informado. AERR. University of Illinois at Urbana-Champaign, Agricultural Experiment Station.
Cita Chicago Style (17a ed.)Não informado. AERR. Urbana, Ill: University of Illinois at Urbana-Champaign, Agricultural Experiment Station.
Cita MLA (8a ed.)Não informado. AERR. University of Illinois at Urbana-Champaign, Agricultural Experiment Station.
Precaución: Estas citas no son 100% exactas.