Cohen, J. (1949). Materials and problems on legislation (2nd ed.). The Bobbes Merrill company.
Dyfyniad Arddull ChicagoCohen, Julius. Materials and Problems on Legislation. 2nd ed. New York: The Bobbes Merrill company, 1949.
Dyfyniad MLACohen, Julius. Materials and Problems on Legislation. 2nd ed. The Bobbes Merrill company, 1949.
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