Cullen, J. (1997). The identification of flowering plant families: Including a key to those native and cultivated in north temperate regions (4th ed., completely rev. and edited.). Cambridge University Press.
Chicago-Zitierstil (17. Ausg.)Cullen, J. The Identification of Flowering Plant Families: Including a Key to Those Native and Cultivated in North Temperate Regions. 4th ed., completely rev. and edited. Cambridge, UK ; New York: Cambridge University Press, 1997.
MLA-Zitierstil (9. Ausg.)Cullen, J. The Identification of Flowering Plant Families: Including a Key to Those Native and Cultivated in North Temperate Regions. 4th ed., completely rev. and edited. Cambridge University Press, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.