Não informado. (2001). Technical Bulletin. Agricultural Experiment Station.
Chicago (17e ed.) BronvermeldingNão informado. Technical Bulletin. Manhattan, Kan: Agricultural Experiment Station, 2001.
MLA (8e ed.) BronvermeldingNão informado. Technical Bulletin. Agricultural Experiment Station, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.