APA استشهاد

Edwards, G. (1975). Framework of Economics (3rd ed.). McGraw-Hill.

استشهاد بنمط شيكاغو

Edwards, G.J. Framework of Economics. 3rd ed. London: McGraw-Hill, 1975.

MLA استشهاد

Edwards, G.J. Framework of Economics. 3rd ed. McGraw-Hill, 1975.