Dyfyniad APA

ebrary, Inc, & Peterson, T. R. (2004). Green talk in the White House: The rhetorical Presidency encounters ecology. Texas A&M University Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Tarla Rai Peterson. Green Talk in the White House: The Rhetorical Presidency Encounters Ecology. College Station: Texas A&M University Press, 2004.

Dyfyniad MLA

ebrary, Inc, and Tarla Rai Peterson. Green Talk in the White House: The Rhetorical Presidency Encounters Ecology. Texas A&M University Press, 2004.

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