Não informado. (2008). Botany: Current Literature. Bureau of Plant Industry.
Chicago (17e ed.) BronvermeldingNão informado. Botany: Current Literature. Washington: Bureau of Plant Industry, 2008.
MLA (8e ed.) BronvermeldingNão informado. Botany: Current Literature. Bureau of Plant Industry, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.