Cita APA

Boyd, J. A. A., Jalal, K. F. A., & Rogers, P. P. A. (2008). An introduction to sustainable development.

Chicago Edition Citation

Boyd, John A; Author, Kazi F; Author Jalal, i Peter P; Author Rogers. An Introduction to Sustainable Development. London, Earthscan, 2008.

Cita MLA

Boyd, John A; Author, et al. An Introduction to Sustainable Development. 2008.