APA استشهاد

Pritchett, C. H. (1971). American constitutional system (3rd. ed.). McGraw-Hill.

استشهاد بنمط شيكاغو

Pritchett, C. Herman. American Constitutional System. 3rd. ed. New York: McGraw-Hill, 1971.

MLA استشهاد

Pritchett, C. Herman. American Constitutional System. 3rd. ed. McGraw-Hill, 1971.