Cowin, E. S. (1955). Our expandable Constitution. Institute of Government and Public Affairs.
Čikaški stil citiranja (17. izdanje)Cowin, Edward Samuel. Our Expandable Constitution. Urbana: Institute of Government and Public Affairs, 1955.
MLA način citiranja (9. izdanje)Cowin, Edward Samuel. Our Expandable Constitution. Institute of Government and Public Affairs, 1955.
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