Dyfyniad APA

ROBERT, W. O. (1979). The Climate Mandate Walter Orr Robert And Henry Lansford. W.H. Freeman.

Dyfyniad Arddull Chicago

ROBERT, Walter Orr. The Climate Mandate Walter Orr Robert And Henry Lansford. W.H. Freeman, 1979.

Dyfyniad MLA

ROBERT, Walter Orr. The Climate Mandate Walter Orr Robert And Henry Lansford. W.H. Freeman, 1979.

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