Rubel Foundation. (1999). Perspectives in Plant Ecology, Evolution and Systematics. Urban & Fischer Verlag.
Chicago (17e ed.) BronvermeldingRubel Foundation. Perspectives in Plant Ecology, Evolution and Systematics. Jena, Alemanha: Urban & Fischer Verlag, 1999.
MLA (8e ed.) BronvermeldingRubel Foundation. Perspectives in Plant Ecology, Evolution and Systematics. Urban & Fischer Verlag, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.