Phillips, A. (1978). Conway Castle, Castell Conwy, an illustrated souvenir. London.
Lua i Stíl Chicago (17ú heag.)Phillips, Alan. Conway Castle, Castell Conwy, an Illustrated Souvenir. London, 1978.
Lua MLA (8ú heag.)Phillips, Alan. Conway Castle, Castell Conwy, an Illustrated Souvenir. London, 1978.
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