Dyfyniad APA

Wriggins, W. H. (1980). Reducing blobal inequities. McGraw-Hill.

Dyfyniad Arddull Chicago

Wriggins, W Howard. Reducing Blobal Inequities. New York: McGraw-Hill, 1980.

Dyfyniad MLA

Wriggins, W Howard. Reducing Blobal Inequities. McGraw-Hill, 1980.

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