Fell, D. (2011). Vertical gardening: Grow up, not out, for more vegetables and flowers in much less space (1a. ed.). Rodale.

Fell, Derek. Vertical Gardening: Grow Up, Not Out, for More Vegetables and Flowers in Much Less Space. 1a. ed. Nueva York: Rodale, 2011.

Fell, Derek. Vertical Gardening: Grow Up, Not Out, for More Vegetables and Flowers in Much Less Space. 1a. ed. Rodale, 2011.