APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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