Williamson, J. A. (1967). A notebook of commonwealth history (3rd ed.). Macmillan; St Martian's.
Cita Chicago (17th ed.)Williamson, James A. A Notebook of Commonwealth History. 3rd ed. London: New York: Macmillan; St Martian's, 1967.
Cita MLA (9th ed.)Williamson, James A. A Notebook of Commonwealth History. 3rd ed. Macmillan; St Martian's, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.