APA استشهاد

Cohen, J. (1949). Materials and problems on legislation (2nd ed.). The Bobbes Merrill company.

استشهاد بنمط شيكاغو

Cohen, Julius. Materials and Problems on Legislation. 2nd ed. New York: The Bobbes Merrill company, 1949.

MLA استشهاد

Cohen, Julius. Materials and Problems on Legislation. 2nd ed. The Bobbes Merrill company, 1949.