APA (7e ed.) Bronvermelding

Não informado. (2000). Technical paper. University of Puerto Rico, Agricultural Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Technical Paper. Rio Piedras, Porto Rico: University of Puerto Rico, Agricultural Experiment Station, 2000.

MLA (8e ed.) Bronvermelding

Não informado. Technical Paper. University of Puerto Rico, Agricultural Experiment Station, 2000.

Let op: Deze citaties zijn niet altijd 100% accuraat.