Buchan, U. (1999). Plants for all seasons: Beautiful and versatile plants that change through the year (1. publ.). Beazley.
Chicago-Zitierstil (17. Ausg.)Buchan, Ursula. Plants for All Seasons: Beautiful and Versatile Plants That Change Through the Year. 1. publ. London: Beazley, 1999.
MLA-Zitierstil (9. Ausg.)Buchan, Ursula. Plants for All Seasons: Beautiful and Versatile Plants That Change Through the Year. 1. publ. Beazley, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.