Bohn, U. (1990). Vegetation and flora of temperate zones: European natural and semi-natural vegetation and spontaneous flora. SPB Academic Publ.
Chicago-Zitierstil (17. Ausg.)Bohn, Udo. Vegetation and Flora of Temperate Zones: European Natural and Semi-natural Vegetation and Spontaneous Flora. The Hague: SPB Academic Publ, 1990.
MLA-Zitierstil (9. Ausg.)Bohn, Udo. Vegetation and Flora of Temperate Zones: European Natural and Semi-natural Vegetation and Spontaneous Flora. SPB Academic Publ, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.