Dyfyniad APA

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

Dyfyniad Arddull Chicago

Rogers, Peter P., Kazi F. Jalal, and John A. Boyd. An Introduction to Sustainable Development. London ; Sterling, VA: Earthscan ; Routledge, 2008.

Dyfyniad MLA

Rogers, Peter P., et al. An Introduction to Sustainable Development. Earthscan ; Routledge, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.