Walters, S. M. (1989). The European garden flora, flowering plants: A manual for the identification of plants cultivated in Europe, both out-of-doors and under glass. Cambridge Univ. Press.
Chicago-Zitierstil (17. Ausg.)Walters, S. M. The European Garden Flora, Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-doors and Under Glass. Cambridge: Cambridge Univ. Press, 1989.
MLA-Zitierstil (9. Ausg.)Walters, S. M. The European Garden Flora, Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-doors and Under Glass. Cambridge Univ. Press, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.