Não informado. (2000). Technical paper. University of Puerto Rico, Agricultural Experiment Station.
Cita Chicago Style (17a ed.)Não informado. Technical Paper. Rio Piedras, Porto Rico: University of Puerto Rico, Agricultural Experiment Station, 2000.
Cita MLA (8a ed.)Não informado. Technical Paper. University of Puerto Rico, Agricultural Experiment Station, 2000.
Precaución: Estas citas no son 100% exactas.