Great Britain. Public Record Office & Great Britain. Public Record Office. (1216). Special Collections: Rentals and Surveys, Portfolios.
Chicago-viite (17. p.)Great Britain. Public Record Office ja Great Britain. Public Record Office. Special Collections: Rentals and Surveys, Portfolios. 1216.
MLA-viite (8. p.)Great Britain. Public Record Office ja Great Britain. Public Record Office. Special Collections: Rentals and Surveys, Portfolios. 1216.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.