APA

Wilkinson B., . (19481958). the constitutional history of England, 1216-1399. London: Longmans, Green.

Chicago

Wilkinson Bertie, . 19481958. the constitutional history of England, 1216-1399. London: Longmans, Green.

Harvard

Wilkinson B., . (19481958). the constitutional history of England, 1216-1399. London: Longmans, Green.

MLA

Wilkinson Bertie, . the constitutional history of England, 1216-1399. London: Longmans, Green. 19481958.