Walpole, H. (1995). Katherine Christian. Alan Sutton Publishing Ltd.
Chicago Style aipamenaWalpole, Hugh. Katherine Christian. Gloucestershire: Alan Sutton Publishing Ltd, 1995.
MLA aipamenaWalpole, Hugh. Katherine Christian. Alan Sutton Publishing Ltd, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.