Barraclough, G. (1936). The Chancery Ordinance of Nicholas III, a Study of the Sources: By Geoffrey Barraclough. Regenberg.
Chicago-referens (17:e uppl.)Barraclough, Geoffrey. The Chancery Ordinance of Nicholas III, a Study of the Sources: By Geoffrey Barraclough. Rom: Regenberg, 1936.
MLA-referens (8:e uppl.)Barraclough, Geoffrey. The Chancery Ordinance of Nicholas III, a Study of the Sources: By Geoffrey Barraclough. Regenberg, 1936.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.