Gifford, C., & Bort Misol, F. (2000). Robots (1a. ed.). Puerto de Palos.

Gifford, Clive, and Fernando Bort Misol. Robots. 1a. ed. Buenos Aires: Puerto de Palos, 2000.

Gifford, Clive, and Fernando Bort Misol. Robots. 1a. ed. Puerto de Palos, 2000.