Bridwell, F. M. (2003). Landscape plants: Their identification, culture, and use (2nd ed.). Delmar Thomson Learning.
Chicago-referens (17:e uppl.)Bridwell, Ferrell M. Landscape Plants: Their Identification, Culture, and Use. 2nd ed. Albany, NY: Delmar Thomson Learning, 2003.
MLA-referens (9:e uppl.)Bridwell, Ferrell M. Landscape Plants: Their Identification, Culture, and Use. 2nd ed. Delmar Thomson Learning, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.