Dyfyniad APA

Speth, J. G. (2012). America the possible: Manifesto for a new economy. Yale University Press.

Dyfyniad Arddull Chicago

Speth, James Gustave. America the Possible: Manifesto for a New Economy. New Haven: Yale University Press, 2012.

Dyfyniad MLA

Speth, James Gustave. America the Possible: Manifesto for a New Economy. Yale University Press, 2012.

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