APA

Clementi D. R., .A twelfth-century account of the parliaments of Norman Kingdom of Sicily in the Liber de regno Sicilie, 1154-1169. : .

Chicago

Clementi D R, .A twelfth-century account of the parliaments of Norman Kingdom of Sicily in the Liber de regno Sicilie, 1154-1169. : .

Harvard

Clementi D. R., .A twelfth-century account of the parliaments of Norman Kingdom of Sicily in the Liber de regno Sicilie, 1154-1169. : .

MLA

Clementi D R, .: . .