Dyfyniad APA

Friedrichs, J. (2013). The future is not what it used to be: Climate change and energy scarcity. MIT Press.

Dyfyniad Arddull Chicago

Friedrichs, Jörg. The Future Is Not What It Used to Be: Climate Change and Energy Scarcity. Cambridge, Mass.: MIT Press, 2013.

Dyfyniad MLA

Friedrichs, Jörg. The Future Is Not What It Used to Be: Climate Change and Energy Scarcity. MIT Press, 2013.

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