Cita APA

Bell, S., & Morse, S. (1999). Sustainability indicators: Measuring the immeasurable? (1. edition.). London, United Kingdom: Earthscan.

Citación estilo Chicago

Bell, Simon, y Stephen Morse. Sustainability Indicators: Measuring the Immeasurable? 1. edition. London, United Kingdom: Earthscan, 1999.

Cita MLA

Bell, Simon, y Stephen Morse. Sustainability Indicators: Measuring the Immeasurable? 1. edition. London, United Kingdom: Earthscan, 1999.