Davis, B. (1990). The gardener ́s illustrated encyclopedia of climbers & wall shrubs: A guide to more than 2000 varieties including roses, clematis and fruit trees (1. publ.). Viking.
Chicago-Zitierstil (17. Ausg.)Davis, Brian. The Gardener ́s Illustrated Encyclopedia of Climbers & Wall Shrubs: A Guide to More than 2000 Varieties Including Roses, Clematis and Fruit Trees. 1. publ. London: Viking, 1990.
MLA-Zitierstil (9. Ausg.)Davis, Brian. The Gardener ́s Illustrated Encyclopedia of Climbers & Wall Shrubs: A Guide to More than 2000 Varieties Including Roses, Clematis and Fruit Trees. 1. publ. Viking, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.