Não informado. (2008). Occasional Papers in Eastern Botany. Southern Appalachian Botanical Society.
Chicago (17e ed.) BronvermeldingNão informado. Occasional Papers in Eastern Botany. Morgantown, Wa. Va: Southern Appalachian Botanical Society, 2008.
MLA (8e ed.) BronvermeldingNão informado. Occasional Papers in Eastern Botany. Southern Appalachian Botanical Society, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.