Dyfyniad APA
Wessels, T. (2013). The myth of progress: Toward a sustainable future (Rev. and expanded ed.). University Press of New England.
Dyfyniad Arddull Chicago
Wessels, Tom. The Myth of Progress: Toward a Sustainable Future. Rev. and expanded ed. Hanover: University Press of New England, 2013.
Dyfyniad MLA
Wessels, Tom. The Myth of Progress: Toward a Sustainable Future. Rev. and expanded ed. University Press of New England, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.