Dyfyniad APA

Barker, T., Ekins, P., & Johnstone, N. (1995). Global warming and energy demand. Routledge.

Dyfyniad Arddull Chicago

Barker, Terry, Paul Ekins, and Nick Johnstone. Global Warming and Energy Demand. London: Routledge, 1995.

Dyfyniad MLA

Barker, Terry, et al. Global Warming and Energy Demand. Routledge, 1995.

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