Field, O. P. (1930). A selection of cases and authorities on constitutional law. Callaghan and Co.
Citazione stile Chigago Style (17a edizione)Field, Oliver Peter. A Selection of Cases and Authorities on Constitutional Law. Chicago: Callaghan and Co, 1930.
Citatione MLA (9a ed.)Field, Oliver Peter. A Selection of Cases and Authorities on Constitutional Law. Callaghan and Co, 1930.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.