Gentry, A. H. 1., & Vásquez Martínez, R. 1. (1993). A field guide to the families and genera of woody plants of Northwest South America (Colombia, Ecuador, Peru) with supplementary notes on herbaceous taxa. Washington, DC: Conservation International.
Citación estilo ChicagoGentry, Alwyn Howard 1945-1993, y Rodolfo 1956- Vásquez Martínez. A Field Guide to the Families and Genera of Woody Plants of Northwest South America (Colombia, Ecuador, Peru) With Supplementary Notes On Herbaceous Taxa. Washington, DC: Conservation International, 1993.
Cita MLAGentry, Alwyn Howard 1945-1993, y Rodolfo 1956- Vásquez Martínez. A Field Guide to the Families and Genera of Woody Plants of Northwest South America (Colombia, Ecuador, Peru) With Supplementary Notes On Herbaceous Taxa. Washington, DC: Conservation International, 1993.